diff --git a/Makefile.in b/Makefile.in
index 5fd793e6e5..a700798934 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -845,20 +845,18 @@ uninstall-am:
 
 
 srpm-modules:
-	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-modules" srpm-common
+@CONFIG_KERNEL_TRUE@	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-modules" srpm-common
 
 srpm-utils:
-	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" srpm-common
+@CONFIG_USER_TRUE@	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" srpm-common
 
 srpm: srpm-modules srpm-utils
 
 rpm-modules: srpm-modules
-	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-modules" rpm-common
+@CONFIG_KERNEL_TRUE@	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-modules" rpm-common
 
 rpm-utils: srpm-utils
-	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" rpm-common
-
-rpm-modules: srpm-modules
+@CONFIG_USER_TRUE@	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" rpm-common
 
 rpm: rpm-modules rpm-utils
 
@@ -936,22 +934,22 @@ deb-local:
 	fi)
 
 deb-modules: deb-local rpm-modules
-	name=${PACKAGE}-modules; \
-	version=${SPL_META_VERSION}-${SPL_META_RELEASE}; \
-	release=`echo ${LINUX_VERSION} | $(SED) -e "s/-/_/g"`; \
-	arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \
-	pkg1=$${name}-$${version}_$${release}.$${arch}.rpm; \
-	pkg2=$${name}-devel-$${version}_$${release}.$${arch}.rpm; \
-	fakeroot $(ALIEN) --scripts --to-deb $$pkg1 $$pkg2; \
-	$(RM) $$pkg1 $$pkg2
+@CONFIG_KERNEL_TRUE@	name=${PACKAGE}-modules; \
+@CONFIG_KERNEL_TRUE@	version=${SPL_META_VERSION}-${SPL_META_RELEASE}; \
+@CONFIG_KERNEL_TRUE@	release=`echo ${LINUX_VERSION} | $(SED) -e "s/-/_/g"`; \
+@CONFIG_KERNEL_TRUE@	arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \
+@CONFIG_KERNEL_TRUE@	pkg1=$${name}-$${version}_$${release}.$${arch}.rpm; \
+@CONFIG_KERNEL_TRUE@	pkg2=$${name}-devel-$${version}_$${release}.$${arch}.rpm; \
+@CONFIG_KERNEL_TRUE@	fakeroot $(ALIEN) --scripts --to-deb $$pkg1 $$pkg2; \
+@CONFIG_KERNEL_TRUE@	$(RM) $$pkg1 $$pkg2
 
 deb-utils: deb-local rpm-utils
-	name=${PACKAGE}; \
-	version=${SPL_META_VERSION}-${SPL_META_RELEASE}; \
-	arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \
-	pkg1=$${name}-$${version}.$${arch}.rpm; \
-	fakeroot $(ALIEN) --scripts --to-deb $$pkg1; \
-	$(RM) $$pkg1
+@CONFIG_USER_TRUE@	name=${PACKAGE}; \
+@CONFIG_USER_TRUE@	version=${SPL_META_VERSION}-${SPL_META_RELEASE}; \
+@CONFIG_USER_TRUE@	arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \
+@CONFIG_USER_TRUE@	pkg1=$${name}-$${version}.$${arch}.rpm; \
+@CONFIG_USER_TRUE@	fakeroot $(ALIEN) --scripts --to-deb $$pkg1; \
+@CONFIG_USER_TRUE@	$(RM) $$pkg1
 
 deb: deb-modules deb-utils
 
@@ -965,22 +963,22 @@ tgz-local:
 	fi)
 
 tgz-modules: tgz-local rpm-modules
-	name=${PACKAGE}-modules; \
-	version=${SPL_META_VERSION}-${SPL_META_RELEASE}; \
-	release=`echo ${LINUX_VERSION} | $(SED) -e "s/-/_/g"`; \
-	arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \
-	pkg1=$${name}-$${version}_$${release}.$${arch}.rpm; \
-	pkg2=$${name}-devel-$${version}_$${release}.$${arch}.rpm; \
-	fakeroot $(ALIEN) --scripts --to-tgz $$pkg1 $$pkg2; \
-	$(RM) $$pkg1 $$pkg2
+@CONFIG_KERNEL_TRUE@	name=${PACKAGE}-modules; \
+@CONFIG_KERNEL_TRUE@	version=${SPL_META_VERSION}-${SPL_META_RELEASE}; \
+@CONFIG_KERNEL_TRUE@	release=`echo ${LINUX_VERSION} | $(SED) -e "s/-/_/g"`; \
+@CONFIG_KERNEL_TRUE@	arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \
+@CONFIG_KERNEL_TRUE@	pkg1=$${name}-$${version}_$${release}.$${arch}.rpm; \
+@CONFIG_KERNEL_TRUE@	pkg2=$${name}-devel-$${version}_$${release}.$${arch}.rpm; \
+@CONFIG_KERNEL_TRUE@	fakeroot $(ALIEN) --scripts --to-tgz $$pkg1 $$pkg2; \
+@CONFIG_KERNEL_TRUE@	$(RM) $$pkg1 $$pkg2
 
 tgz-utils: tgz-local rpm-utils
-	name=${PACKAGE}; \
-	version=${SPL_META_VERSION}-${SPL_META_RELEASE}; \
-	arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \
-	pkg1=$${name}-$${version}.$${arch}.rpm; \
-	fakeroot $(ALIEN) --scripts --to-tgz $$pkg1; \
-	$(RM) $$pkg1
+@CONFIG_USER_TRUE@	name=${PACKAGE}; \
+@CONFIG_USER_TRUE@	version=${SPL_META_VERSION}-${SPL_META_RELEASE}; \
+@CONFIG_USER_TRUE@	arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \
+@CONFIG_USER_TRUE@	pkg1=$${name}-$${version}.$${arch}.rpm; \
+@CONFIG_USER_TRUE@	fakeroot $(ALIEN) --scripts --to-tgz $$pkg1; \
+@CONFIG_USER_TRUE@	$(RM) $$pkg1
 
 tgz: tgz-modules tgz-utils
 
@@ -993,10 +991,10 @@ sarch-utils:
 sarch: sarch-modules sarch-utils
 
 arch-modules:
-	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-modules" arch-common
+@CONFIG_KERNEL_TRUE@	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-modules" arch-common
 
 arch-utils:
-	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" arch-common
+@CONFIG_USER_TRUE@	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" arch-common
 
 arch: arch-modules arch-utils
 
diff --git a/README.markdown b/README.markdown
index e0d8f76b67..81535aa22b 100644
--- a/README.markdown
+++ b/README.markdown
@@ -11,5 +11,11 @@ To build packages for your distribution:
     $ ./configure
     $ make pkg
 
+To copy the kernel code inside your kernel source tree for builtin
+compilation:
+
+    $ ./configure --enable-linux-builtin --with-linux=/usr/src/linux-...
+    $ ./copy-builtin /usr/src/linux-...
+
 Full documentation for building, configuring, and using the SPL can
 be found at: <http://zfsonlinux.org>
diff --git a/config/arch.am b/config/arch.am
index 591013afd1..da43fe7389 100644
--- a/config/arch.am
+++ b/config/arch.am
@@ -13,10 +13,14 @@ sarch-utils:
 sarch: sarch-modules sarch-utils
 
 arch-modules:
+if CONFIG_KERNEL
 	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-modules" arch-common
+endif
 
 arch-utils:
+if CONFIG_USER
 	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" arch-common
+endif
 
 arch: arch-modules arch-utils
 
diff --git a/config/deb.am b/config/deb.am
index ce84cfa9cc..75e31dfec2 100644
--- a/config/deb.am
+++ b/config/deb.am
@@ -29,6 +29,7 @@ deb-local:
 	fi)
 
 deb-modules: deb-local rpm-modules
+if CONFIG_KERNEL
 	name=${PACKAGE}-modules; \
 	version=${SPL_META_VERSION}-${SPL_META_RELEASE}; \
 	release=`echo ${LINUX_VERSION} | $(SED) -e "s/-/_/g"`; \
@@ -37,13 +38,16 @@ deb-modules: deb-local rpm-modules
 	pkg2=$${name}-devel-$${version}_$${release}.$${arch}.rpm; \
 	fakeroot $(ALIEN) --scripts --to-deb $$pkg1 $$pkg2; \
 	$(RM) $$pkg1 $$pkg2
+endif
 
 deb-utils: deb-local rpm-utils
+if CONFIG_USER
 	name=${PACKAGE}; \
 	version=${SPL_META_VERSION}-${SPL_META_RELEASE}; \
 	arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \
 	pkg1=$${name}-$${version}.$${arch}.rpm; \
 	fakeroot $(ALIEN) --scripts --to-deb $$pkg1; \
 	$(RM) $$pkg1
+endif
 
 deb: deb-modules deb-utils
diff --git a/config/rpm.am b/config/rpm.am
index 7dfe4fd9b9..a0a4ed1487 100644
--- a/config/rpm.am
+++ b/config/rpm.am
@@ -7,20 +7,26 @@
 ###############################################################################
 
 srpm-modules:
+if CONFIG_KERNEL
 	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-modules" srpm-common
+endif
 
 srpm-utils:
+if CONFIG_USER
 	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" srpm-common
+endif
 
 srpm: srpm-modules srpm-utils
 
 rpm-modules: srpm-modules
+if CONFIG_KERNEL
 	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}-modules" rpm-common
+endif
 
 rpm-utils: srpm-utils
+if CONFIG_USER
 	$(MAKE) $(AM_MAKEFLAGS) pkg="${PACKAGE}" rpm-common
-
-rpm-modules: srpm-modules
+endif
 
 rpm: rpm-modules rpm-utils
 
diff --git a/config/spl-build.m4 b/config/spl-build.m4
index c28ad0bf2a..7ec81e7131 100644
--- a/config/spl-build.m4
+++ b/config/spl-build.m4
@@ -22,6 +22,7 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [
 	SPL_AC_DEBUG_LOG
 	SPL_AC_DEBUG_KMEM
 	SPL_AC_DEBUG_KMEM_TRACKING
+	SPL_AC_TEST_MODULE
 	SPL_AC_ATOMIC_SPINLOCK
 	SPL_AC_TYPE_ATOMIC64_CMPXCHG
 	SPL_AC_TYPE_ATOMIC64_XCHG
@@ -94,7 +95,7 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [
 AC_DEFUN([SPL_AC_MODULE_SYMVERS], [
 	modpost=$LINUX/scripts/Makefile.modpost
 	AC_MSG_CHECKING([kernel file name for module symbols])
-	if test -f "$modpost"; then
+	if test "x$enable_linux_builtin" != xyes -a -f "$modpost"; then
 		if grep -q Modules.symvers $modpost; then
 			LINUX_SYMBOLS=Modules.symvers
 		else
@@ -136,7 +137,7 @@ AC_DEFUN([SPL_AC_KERNEL], [
 			sourcelink=$(readlink -f "$headersdir")
 		else
 			sourcelink=$(ls -1d /usr/src/kernels/* \
-				     /usr/src/linux-* \
+			             /usr/src/linux-* \
 			             2>/dev/null | grep -v obj | tail -1)
 		fi
 
@@ -196,7 +197,13 @@ AC_DEFUN([SPL_AC_KERNEL], [
 		fi
 	else
 		AC_MSG_RESULT([Not found])
-		AC_MSG_ERROR([*** Cannot find UTS_RELEASE definition.])
+		if test "x$enable_linux_builtin" != xyes; then
+			AC_MSG_ERROR([*** Cannot find UTS_RELEASE definition.])
+		else
+			AC_MSG_ERROR([
+	*** Cannot find UTS_RELEASE definition.
+	*** Please run 'make prepare' inside the kernel source tree.])
+		fi
 	fi
 
 	AC_MSG_RESULT([$kernsrcver])
@@ -439,34 +446,38 @@ AC_DEFUN([SPL_AC_LICENSE], [
 ])
 
 AC_DEFUN([SPL_AC_CONFIG], [
-        SPL_CONFIG=all
-        AC_ARG_WITH([config],
-                AS_HELP_STRING([--with-config=CONFIG],
-                [Config file 'kernel|user|all|srpm']),
-                [SPL_CONFIG="$withval"])
+	SPL_CONFIG=all
+	AC_ARG_WITH([config],
+		AS_HELP_STRING([--with-config=CONFIG],
+		[Config file 'kernel|user|all|srpm']),
+		[SPL_CONFIG="$withval"])
+	AC_ARG_ENABLE([linux-builtin],
+		[AC_HELP_STRING([--enable-linux-builtin],
+		[Configure for builtin in-tree kernel modules @<:@default=no@:>@])],
+		[],
+		[enable_linux_builtin=no])
 
-        AC_MSG_CHECKING([spl config])
-        AC_MSG_RESULT([$SPL_CONFIG]);
-        AC_SUBST(SPL_CONFIG)
+	AC_MSG_CHECKING([spl config])
+	AC_MSG_RESULT([$SPL_CONFIG]);
+	AC_SUBST(SPL_CONFIG)
 
-        case "$SPL_CONFIG" in
-                kernel) SPL_AC_CONFIG_KERNEL ;;
-                user)   SPL_AC_CONFIG_USER   ;;
-                all)    SPL_AC_CONFIG_KERNEL
-                        SPL_AC_CONFIG_USER   ;;
+	case "$SPL_CONFIG" in
+		kernel) SPL_AC_CONFIG_KERNEL ;;
+		user)   SPL_AC_CONFIG_USER   ;;
+		all)    SPL_AC_CONFIG_KERNEL
+		        SPL_AC_CONFIG_USER   ;;
 		srpm)                        ;;
-                *)
-                AC_MSG_RESULT([Error!])
-                AC_MSG_ERROR([Bad value "$SPL_CONFIG" for --with-config,
-                              user kernel|user|all|srpm]) ;;
-        esac
+		*)
+		AC_MSG_RESULT([Error!])
+		AC_MSG_ERROR([Bad value "$SPL_CONFIG" for --with-config,
+		             user kernel|user|all|srpm]) ;;
+	esac
 
-        AM_CONDITIONAL([CONFIG_USER],
-                       [test "$SPL_CONFIG" = user] ||
-                       [test "$SPL_CONFIG" = all])
-        AM_CONDITIONAL([CONFIG_KERNEL],
-                       [test "$SPL_CONFIG" = kernel] ||
-                       [test "$SPL_CONFIG" = all])
+	AM_CONDITIONAL([CONFIG_USER],
+	               [test "$SPL_CONFIG" = user -o "$SPL_CONFIG" = all])
+	AM_CONDITIONAL([CONFIG_KERNEL],
+	               [test "$SPL_CONFIG" = kernel -o "$SPL_CONFIG" = all] &&
+	               [test "x$enable_linux_builtin" != xyes ])
 ])
 
 dnl #
@@ -620,12 +631,14 @@ dnl # SPL_LINUX_COMPILE_IFELSE / like AC_COMPILE_IFELSE
 dnl #
 AC_DEFUN([SPL_LINUX_COMPILE_IFELSE], [
 	m4_ifvaln([$1], [SPL_LINUX_CONFTEST([$1])])
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
 	AS_IF(
-		[AC_TRY_COMMAND(cp conftest.c build && make [$2] -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build) >/dev/null && AC_TRY_COMMAND([$3])],
-	        [$4],
-	        [_AC_MSG_LOG_CONFTEST m4_ifvaln([$5],[$5])]
+		[AC_TRY_COMMAND(cp conftest.c build && make [$2] -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag) >/dev/null && AC_TRY_COMMAND([$3])],
+		[$4],
+		[_AC_MSG_LOG_CONFTEST m4_ifvaln([$5],[$5])]
 	)
 	rm -Rf build
 ])
@@ -665,8 +678,7 @@ dnl #
 dnl # SPL_CHECK_SYMBOL_EXPORT
 dnl # check symbol exported or not
 dnl #
-AC_DEFUN([SPL_CHECK_SYMBOL_EXPORT],
-	[AC_MSG_CHECKING([whether symbol $1 is exported])
+AC_DEFUN([SPL_CHECK_SYMBOL_EXPORT], [
 	grep -q -E '[[[:space:]]]$1[[[:space:]]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -676,24 +688,42 @@ AC_DEFUN([SPL_CHECK_SYMBOL_EXPORT],
 			grep -q -E "EXPORT_SYMBOL.*($1)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			AC_MSG_RESULT([no])
+		if test $export -eq 0; then :
 			$4
-		else
-			AC_MSG_RESULT([yes])
+		else :
 			$3
 		fi
-	else
-		AC_MSG_RESULT([yes])
+	else :
 		$3
 	fi
 ])
 
+dnl #
+dnl # SPL_LINUX_TRY_COMPILE_SYMBOL
+dnl # like SPL_LINUX_TRY_COMPILE, except SPL_CHECK_SYMBOL_EXPORT
+dnl # is called if not compiling for builtin
+dnl #
+AC_DEFUN([SPL_LINUX_TRY_COMPILE_SYMBOL], [
+	SPL_LINUX_TRY_COMPILE([$1], [$2], [rc=0], [rc=1])
+	if test $rc -ne 0; then :
+		$6
+	else
+		if test "x$enable_linux_builtin" != xyes; then
+			SPL_CHECK_SYMBOL_EXPORT([$3], [$4], [rc=0], [rc=1])
+		fi
+		if test $rc -ne 0; then :
+			$6
+		else :
+			$5
+		fi
+	fi
+])
+
 dnl #
 dnl # SPL_CHECK_SYMBOL_HEADER
 dnl # check if a symbol prototype is defined in listed headers.
@@ -704,10 +734,10 @@ AC_DEFUN([SPL_CHECK_SYMBOL_HEADER], [
 	for file in $3; do
 		grep -q "$2" "$LINUX/$file" 2>/dev/null
 		rc=$?
-	        if test $rc -eq 0; then
-	                header=1
-	                break;
-	        fi
+		if test $rc -eq 0; then
+			header=1
+			break;
+		fi
 	done
 	if test $header -eq 0; then
 		AC_MSG_RESULT([no])
@@ -738,6 +768,25 @@ AC_DEFUN([SPL_CHECK_HEADER],
 	])
 ])
 
+dnl #
+dnl # Basic toolchain sanity check.
+dnl #
+AC_DEFUN([SPL_AC_TEST_MODULE],
+	[AC_MSG_CHECKING([whether modules can be built])
+	SPL_LINUX_TRY_COMPILE([],[],[
+		AC_MSG_RESULT([yes])
+	],[
+		AC_MSG_RESULT([no])
+		if test "x$enable_linux_builtin" != xyes; then
+			AC_MSG_ERROR([*** Unable to build an empty module.])
+		else
+			AC_MSG_ERROR([
+	*** Unable to build an empty module.
+	*** Please run 'make scripts' inside the kernel source tree.])
+		fi
+	])
+])
+
 dnl #
 dnl # Use the atomic implemenation based on global spinlocks.  This
 dnl # should only be needed by 32-bit kernels which do not provide
@@ -959,10 +1008,18 @@ AC_DEFUN([SPL_AC_PATH_IN_NAMEIDATA],
 dnl #
 dnl # Custom SPL patch may export this system it is not required
 dnl #
-AC_DEFUN([SPL_AC_TASK_CURR], [
-	SPL_CHECK_SYMBOL_EXPORT([task_curr], [kernel/sched.c],
-		[AC_DEFINE(HAVE_TASK_CURR, 1, [task_curr() exported])],
-		[])
+AC_DEFUN([SPL_AC_TASK_CURR],
+	[AC_MSG_CHECKING([whether task_curr() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/sched.h>
+	], [
+		task_curr(NULL);
+	], [task_curr], [kernel/sched.c], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_TASK_CURR, 1, [task_curr() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1028,13 +1085,15 @@ dnl # 2.6.18 API change, check whether device_create() is available.
 dnl # Device_create() was introduced in 2.6.18 and depricated 
 dnl # class_device_create() which was fully removed in 2.6.26.
 dnl #
-AC_DEFUN([SPL_AC_DEVICE_CREATE], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[device_create],
-		[drivers/base/core.c],
-		[AC_DEFINE(HAVE_DEVICE_CREATE, 1,
-		[device_create() is available])],
-		[])
+AC_DEFUN([SPL_AC_DEVICE_CREATE],
+	[AC_MSG_CHECKING([whether device_create() is available])
+	SPL_CHECK_SYMBOL_EXPORT([device_create], [drivers/base/core.c], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_DEVICE_CREATE, 1,
+		          [device_create() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1064,25 +1123,37 @@ dnl # 2.6.13 API change, check whether class_device_create() is available.
 dnl # Class_device_create() was introduced in 2.6.13 and depricated
 dnl # class_simple_device_add() which was fully removed in 2.6.13.
 dnl #
-AC_DEFUN([SPL_AC_CLASS_DEVICE_CREATE], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[class_device_create],
-		[drivers/base/class.c],
-		[AC_DEFINE(HAVE_CLASS_DEVICE_CREATE, 1,
-		[class_device_create() is available])],
-		[])
+AC_DEFUN([SPL_AC_CLASS_DEVICE_CREATE],
+	[AC_MSG_CHECKING([whether class_device_create() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/device.h>
+	], [
+		class_device_create(NULL, NULL, 0, NULL, NULL);
+	], [class_device_create], [drivers/base/class.c], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_CLASS_DEVICE_CREATE, 1,
+		          [class_device_create() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
 dnl # 2.6.26 API change, set_normalized_timespec() is exported.
 dnl #
-AC_DEFUN([SPL_AC_SET_NORMALIZED_TIMESPEC_EXPORT], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[set_normalized_timespec],
-		[kernel/time.c],
-		[AC_DEFINE(HAVE_SET_NORMALIZED_TIMESPEC_EXPORT, 1,
-		[set_normalized_timespec() is available as export])],
-		[])
+AC_DEFUN([SPL_AC_SET_NORMALIZED_TIMESPEC_EXPORT],
+	[AC_MSG_CHECKING([whether set_normalized_timespec() is available as export])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/time.h>
+	], [
+		set_normalized_timespec(NULL, 0, 0);
+	], [set_normalized_timespec], [kernel/time.c], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_SET_NORMALIZED_TIMESPEC_EXPORT, 1,
+		          [set_normalized_timespec() is available as export])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1232,13 +1303,19 @@ dnl # 2.6.9 API change,
 dnl # check whether 'monotonic_clock()' is available it may
 dnl # be available for some archs but not others.
 dnl #
-AC_DEFUN([SPL_AC_MONOTONIC_CLOCK], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[monotonic_clock],
-		[],
-		[AC_DEFINE(HAVE_MONOTONIC_CLOCK, 1,
-		[monotonic_clock() is available])],
-		[])
+AC_DEFUN([SPL_AC_MONOTONIC_CLOCK],
+	[AC_MSG_CHECKING([whether monotonic_clock() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/timex.h>
+	], [
+		monotonic_clock();
+	], [monotonic_clock], [], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_MONOTONIC_CLOCK, 1,
+		          [monotonic_clock() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1352,13 +1429,19 @@ dnl #
 dnl # 2.6.18 API change,
 dnl # kallsyms_lookup_name no longer exported
 dnl #
-AC_DEFUN([SPL_AC_KALLSYMS_LOOKUP_NAME], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[kallsyms_lookup_name],
-		[],
-		[AC_DEFINE(HAVE_KALLSYMS_LOOKUP_NAME, 1,
-		[kallsyms_lookup_name() is available])],
-		[])
+AC_DEFUN([SPL_AC_KALLSYMS_LOOKUP_NAME],
+	[AC_MSG_CHECKING([whether kallsyms_lookup_name() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/kallsyms.h>
+	], [
+		kallsyms_lookup_name(NULL);
+	], [kallsyms_lookup_name], [], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_KALLSYMS_LOOKUP_NAME, 1,
+		          [kallsyms_lookup_name() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1368,13 +1451,15 @@ dnl # custom kernel with the *-spl-export-symbols.patch which will export
 dnl # these symbols for use.  If your already rolling a custom kernel for
 dnl # your environment this is recommended.
 dnl #
-AC_DEFUN([SPL_AC_GET_VMALLOC_INFO], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[get_vmalloc_info],
-		[],
-		[AC_DEFINE(HAVE_GET_VMALLOC_INFO, 1,
-		[get_vmalloc_info() is available])],
-		[])
+AC_DEFUN([SPL_AC_GET_VMALLOC_INFO],
+	[AC_MSG_CHECKING([whether get_vmalloc_info() is available])
+	SPL_CHECK_SYMBOL_EXPORT([get_vmalloc_info], [], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_GET_VMALLOC_INFO, 1,
+		          [get_vmalloc_info() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1396,7 +1481,7 @@ AC_DEFUN([SPL_AC_PGDAT_HELPERS], [
 	rc=$?
 	if test $rc -eq 0; then
 		AC_MSG_RESULT([yes])
-                AC_DEFINE(HAVE_PGDAT_HELPERS, 1, [pgdat helpers are available])
+		AC_DEFINE(HAVE_PGDAT_HELPERS, 1, [pgdat helpers are available])
 	else
 		AC_MSG_RESULT([no])
 	fi
@@ -1409,13 +1494,19 @@ dnl # custom kernel with the *-spl-export-symbols.patch which will export
 dnl # these symbols for use.  If your already rolling a custom kernel for
 dnl # your environment this is recommended.
 dnl #
-AC_DEFUN([SPL_AC_FIRST_ONLINE_PGDAT], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[first_online_pgdat],
-		[],
-		[AC_DEFINE(HAVE_FIRST_ONLINE_PGDAT, 1,
-		[first_online_pgdat() is available])],
-		[])
+AC_DEFUN([SPL_AC_FIRST_ONLINE_PGDAT],
+	[AC_MSG_CHECKING([whether first_online_pgdat() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/mmzone.h>
+	], [
+		first_online_pgdat();
+	], [first_online_pgdat], [], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_FIRST_ONLINE_PGDAT, 1,
+		          [first_online_pgdat() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1425,13 +1516,19 @@ dnl # custom kernel with the *-spl-export-symbols.patch which will export
 dnl # these symbols for use.  If your already rolling a custom kernel for
 dnl # your environment this is recommended.
 dnl #
-AC_DEFUN([SPL_AC_NEXT_ONLINE_PGDAT], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[next_online_pgdat],
-		[],
-		[AC_DEFINE(HAVE_NEXT_ONLINE_PGDAT, 1,
-		[next_online_pgdat() is available])],
-		[])
+AC_DEFUN([SPL_AC_NEXT_ONLINE_PGDAT],
+	[AC_MSG_CHECKING([whether next_online_pgdat() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/mmzone.h>
+	], [
+		next_online_pgdat(NULL);
+	], [next_online_pgdat], [], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_NEXT_ONLINE_PGDAT, 1,
+		          [next_online_pgdat() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1441,26 +1538,35 @@ dnl # custom kernel with the *-spl-export-symbols.patch which will export
 dnl # these symbols for use.  If your already rolling a custom kernel for
 dnl # your environment this is recommended.
 dnl #
-AC_DEFUN([SPL_AC_NEXT_ZONE], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[next_zone],
-		[],
-		[AC_DEFINE(HAVE_NEXT_ZONE, 1,
-		[next_zone() is available])],
-		[])
+AC_DEFUN([SPL_AC_NEXT_ZONE],
+	[AC_MSG_CHECKING([whether next_zone() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/mmzone.h>
+	], [
+		next_zone(NULL);
+	], [next_zone], [], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_NEXT_ZONE, 1, [next_zone() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
 dnl # 2.6.17 API change,
 dnl # See SPL_AC_PGDAT_HELPERS for details.
 dnl #
-AC_DEFUN([SPL_AC_PGDAT_LIST], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[pgdat_list],
-		[],
-		[AC_DEFINE(HAVE_PGDAT_LIST, 1,
-		[pgdat_list is available])],
-		[])
+AC_DEFUN([SPL_AC_PGDAT_LIST],
+	[AC_MSG_CHECKING([whether pgdat_list is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/topology.h>
+		pg_data_t *tmp = pgdat_list;
+	], [], [pgdat_list], [], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_PGDAT_LIST, 1, [pgdat_list is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1652,12 +1758,18 @@ AC_DEFUN([SPL_AC_GET_ZONE_COUNTS], [
 		AC_DEFINE(NEED_GET_ZONE_COUNTS, 1,
 		          [get_zone_counts() is needed])
 
-		SPL_CHECK_SYMBOL_EXPORT(
-			[get_zone_counts],
-			[],
-			[AC_DEFINE(HAVE_GET_ZONE_COUNTS, 1,
-			[get_zone_counts() is available])],
-			[])
+		AC_MSG_CHECKING([whether get_zone_counts() is available])
+		SPL_LINUX_TRY_COMPILE_SYMBOL([
+			#include <linux/mmzone.h>
+		], [
+			get_zone_counts(NULL, NULL, NULL);
+		], [get_zone_counts], [], [
+			AC_MSG_RESULT(yes)
+			AC_DEFINE(HAVE_GET_ZONE_COUNTS, 1,
+			          [get_zone_counts() is available])
+		], [
+			AC_MSG_RESULT(no)
+		])
 	])
 ])
 
@@ -1665,25 +1777,37 @@ dnl #
 dnl # 2.6.27 API change,
 dnl # The user_path_dir() replaces __user_walk()
 dnl #
-AC_DEFUN([SPL_AC_USER_PATH_DIR], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[user_path_at],
-		[],
-		[AC_DEFINE(HAVE_USER_PATH_DIR, 1,
-		[user_path_dir() is available])],
-		[])
+AC_DEFUN([SPL_AC_USER_PATH_DIR],
+	[AC_MSG_CHECKING([whether user_path_dir() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/fcntl.h>
+		#include <linux/namei.h>
+	], [
+		user_path_dir(NULL, NULL);
+	], [user_path_at], [], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_USER_PATH_DIR, 1, [user_path_dir() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
 dnl # Symbol available in RHEL kernels not in stock kernels.
 dnl #
-AC_DEFUN([SPL_AC_SET_FS_PWD], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[set_fs_pwd],
-		[],
-		[AC_DEFINE(HAVE_SET_FS_PWD, 1,
-		[set_fs_pwd() is available])],
-		[])
+AC_DEFUN([SPL_AC_SET_FS_PWD],
+	[AC_MSG_CHECKING([whether set_fs_pwd() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/spinlock.h>
+		#include <linux/fs_struct.h>
+	], [
+		(void) set_fs_pwd;
+	], [set_fs_pwd], [], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_SET_FS_PWD, 1, [set_fs_pwd() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1791,26 +1915,37 @@ AC_DEFUN([SPL_AC_CRED_STRUCT], [
 dnl #
 dnl # Custom SPL patch may export this symbol.
 dnl #
-AC_DEFUN([SPL_AC_GROUPS_SEARCH], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[groups_search],
-		[],
-		[AC_DEFINE(HAVE_GROUPS_SEARCH, 1,
-		[groups_search() is available])],
-		[])
+AC_DEFUN([SPL_AC_GROUPS_SEARCH],
+	[AC_MSG_CHECKING([whether groups_search() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/cred.h>
+	], [
+		groups_search(NULL, 0);
+	], [groups_search], [], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_GROUPS_SEARCH, 1, [groups_search() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
 dnl # 2.6.x API change,
 dnl # __put_task_struct() was exported in RHEL5 but unavailable elsewhere.
 dnl #
-AC_DEFUN([SPL_AC_PUT_TASK_STRUCT], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[__put_task_struct],
-		[],
-		[AC_DEFINE(HAVE_PUT_TASK_STRUCT, 1,
-		[__put_task_struct() is available])],
-		[])
+AC_DEFUN([SPL_AC_PUT_TASK_STRUCT],
+	[AC_MSG_CHECKING([whether __put_task_struct() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/sched.h>
+	], [
+		__put_task_struct(NULL);
+	], [__put_task_struct], [], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_PUT_TASK_STRUCT, 1,
+		          [__put_task_struct() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1836,25 +1971,36 @@ dnl #
 dnl # 2.6.x API change,
 dnl # kvasprintf() function added.
 dnl #
-AC_DEFUN([SPL_AC_KVASPRINTF], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[kvasprintf],
-		[],
-		[AC_DEFINE(HAVE_KVASPRINTF, 1,
-		[kvasprintf() is available])],
-		[])
+AC_DEFUN([SPL_AC_KVASPRINTF],
+	[AC_MSG_CHECKING([whether kvasprintf() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/kernel.h>
+	], [
+		kvasprintf(0, NULL, *((va_list*)NULL));
+	], [kvasprintf], [], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_KVASPRINTF, 1, [kvasprintf() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
 dnl # 2.6.29 API change,
 dnl # vfs_fsync() funcation added, prior to this use file_fsync().
 dnl #
-AC_DEFUN([SPL_AC_VFS_FSYNC], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[vfs_fsync],
-		[fs/sync.c],
-		[AC_DEFINE(HAVE_VFS_FSYNC, 1, [vfs_fsync() is available])],
-		[])
+AC_DEFUN([SPL_AC_VFS_FSYNC],
+	[AC_MSG_CHECKING([whether vfs_fsync() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/fs.h>
+	], [
+		(void) vfs_fsync;
+	], [vfs_fsync], [fs/sync.c], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_VFS_FSYNC, 1, [vfs_fsync() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1882,13 +2028,18 @@ dnl # condition.  The fixed version is exported as a symbol.  The race
 dnl # condition is fixed by acquiring sem->wait_lock, so we must not
 dnl # call that version while holding sem->wait_lock.
 dnl #
-AC_DEFUN([SPL_AC_EXPORTED_RWSEM_IS_LOCKED], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[rwsem_is_locked],
-		[lib/rwsem-spinlock.c],
-		[AC_DEFINE(RWSEM_IS_LOCKED_TAKES_WAIT_LOCK, 1,
-		[rwsem_is_locked() acquires sem->wait_lock])],
-		[])
+AC_DEFUN([SPL_AC_EXPORTED_RWSEM_IS_LOCKED],
+	[AC_MSG_CHECKING([whether rwsem_is_locked() acquires sem->wait_lock])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/rwsem.h>
+		int rwsem_is_locked(struct rw_semaphore *sem) { return 0; }
+	], [], [rwsem_is_locked], [lib/rwsem-spinlock.c], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(RWSEM_IS_LOCKED_TAKES_WAIT_LOCK, 1,
+		          [rwsem_is_locked() acquires sem->wait_lock])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1905,18 +2056,31 @@ dnl # of these functions are exported invalidate_inodes() can be
 dnl # safely used.
 dnl #
 AC_DEFUN([SPL_AC_KERNEL_INVALIDATE_INODES], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[invalidate_inodes],
-		[],
-		[AC_DEFINE(HAVE_INVALIDATE_INODES, 1,
-		[invalidate_inodes() is available])],
-		[])
-	SPL_CHECK_SYMBOL_EXPORT(
-		[invalidate_inodes_check],
-		[],
-		[AC_DEFINE(HAVE_INVALIDATE_INODES_CHECK, 1,
-		[invalidate_inodes_check() is available])],
-		[])
+	AC_MSG_CHECKING([whether invalidate_inodes() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/fs.h>
+	], [
+		invalidate_inodes;
+	], [invalidate_inodes], [], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_INVALIDATE_INODES, 1,
+		          [invalidate_inodes() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
+
+	AC_MSG_CHECKING([whether invalidate_inodes_check() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/fs.h>
+	], [
+		invalidate_inodes_check(NULL, 0);
+	], [invalidate_inodes_check], [], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_INVALIDATE_INODES_CHECK, 1,
+		          [invalidate_inodes_check() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1955,13 +2119,19 @@ dnl # There currently exists no exposed API to partially shrink the dcache.
 dnl # The expected mechanism to shrink the cache is a registered shrinker
 dnl # which is called during memory pressure.
 dnl #
-AC_DEFUN([SPL_AC_SHRINK_DCACHE_MEMORY], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[shrink_dcache_memory],
-		[fs/dcache.c],
-		[AC_DEFINE(HAVE_SHRINK_DCACHE_MEMORY, 1,
-		[shrink_dcache_memory() is available])],
-		[])
+AC_DEFUN([SPL_AC_SHRINK_DCACHE_MEMORY],
+	[AC_MSG_CHECKING([whether shrink_dcache_memory() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/dcache.h>
+	], [
+		shrink_dcache_memory(0, 0);
+	], [shrink_dcache_memory], [fs/dcache.c], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_SHRINK_DCACHE_MEMORY, 1,
+		          [shrink_dcache_memory() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -1970,13 +2140,19 @@ dnl # There currently exists no exposed API to partially shrink the icache.
 dnl # The expected mechanism to shrink the cache is a registered shrinker
 dnl # which is called during memory pressure.
 dnl #
-AC_DEFUN([SPL_AC_SHRINK_ICACHE_MEMORY], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[shrink_icache_memory],
-		[fs/inode.c],
-		[AC_DEFINE(HAVE_SHRINK_ICACHE_MEMORY, 1,
-		[shrink_icache_memory() is available])],
-		[])
+AC_DEFUN([SPL_AC_SHRINK_ICACHE_MEMORY],
+	[AC_MSG_CHECKING([whether shrink_icache_memory() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/dcache.h>
+	], [
+		shrink_icache_memory(0, 0);
+	], [shrink_icache_memory], [fs/inode.c], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_SHRINK_ICACHE_MEMORY, 1,
+		          [shrink_icache_memory() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
@@ -2002,13 +2178,19 @@ dnl # The kern_path_parent() symbol is no longer exported by the kernel.
 dnl # However, it remains the prefered interface and since we still have
 dnl # access to the prototype we dynamically lookup the required address.
 dnl #
-AC_DEFUN([SPL_AC_KERN_PATH_PARENT_SYMBOL], [
-	SPL_CHECK_SYMBOL_EXPORT(
-		[kern_path_parent],
-		[fs/namei.c],
-		[AC_DEFINE(HAVE_KERN_PATH_PARENT_SYMBOL, 1,
-		[kern_path_parent() is available])],
-		[])
+AC_DEFUN([SPL_AC_KERN_PATH_PARENT_SYMBOL],
+	[AC_MSG_CHECKING([whether kern_path_parent() is available])
+	SPL_LINUX_TRY_COMPILE_SYMBOL([
+		#include <linux/namei.h>
+	], [
+		kern_path_parent(NULL, NULL);
+	], [kern_path_parent], [fs/namei.c], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_KERN_PATH_PARENT_SYMBOL, 1,
+		          [kern_path_parent() is available])
+	], [
+		AC_MSG_RESULT(no)
+	])
 ])
 
 dnl #
diff --git a/config/tgz.am b/config/tgz.am
index bbc204a65a..1aaf4dde27 100644
--- a/config/tgz.am
+++ b/config/tgz.am
@@ -22,6 +22,7 @@ tgz-local:
 	fi)
 
 tgz-modules: tgz-local rpm-modules
+if CONFIG_KERNEL
 	name=${PACKAGE}-modules; \
 	version=${SPL_META_VERSION}-${SPL_META_RELEASE}; \
 	release=`echo ${LINUX_VERSION} | $(SED) -e "s/-/_/g"`; \
@@ -30,13 +31,16 @@ tgz-modules: tgz-local rpm-modules
 	pkg2=$${name}-devel-$${version}_$${release}.$${arch}.rpm; \
 	fakeroot $(ALIEN) --scripts --to-tgz $$pkg1 $$pkg2; \
 	$(RM) $$pkg1 $$pkg2
+endif
 
 tgz-utils: tgz-local rpm-utils
+if CONFIG_USER
 	name=${PACKAGE}; \
 	version=${SPL_META_VERSION}-${SPL_META_RELEASE}; \
 	arch=`$(RPM) -qp $${name}-$${version}.src.rpm --qf %{arch} | tail -1`; \
 	pkg1=$${name}-$${version}.$${arch}.rpm; \
 	fakeroot $(ALIEN) --scripts --to-tgz $$pkg1; \
 	$(RM) $$pkg1
+endif
 
 tgz: tgz-modules tgz-utils
diff --git a/configure b/configure
index 3f22988e29..1ca8e847f0 100755
--- a/configure
+++ b/configure
@@ -962,6 +962,7 @@ enable_fast_install
 with_gnu_ld
 enable_libtool_lock
 with_config
+enable_linux_builtin
 with_linux
 with_linux_obj
 enable_debug
@@ -1619,6 +1620,8 @@ Optional Features:
   --enable-fast-install[=PKGS]
                           optimize for fast installation [default=yes]
   --disable-libtool-lock  avoid locking (might break parallel builds)
+  --enable-linux-builtin  Configure for builtin in-tree kernel modules
+                          [default=no]
   --enable-debug          Enable generic debug support [default=no]
   --enable-debug-log      Enable basic debug logging [default=yes]
   --enable-debug-kmem     Enable basic kmem accounting [default=yes]
@@ -4789,13 +4792,13 @@ if test "${lt_cv_nm_interface+set}" = set; then
 else
   lt_cv_nm_interface="BSD nm"
   echo "int some_variable = 0;" > conftest.$ac_ext
-  (eval echo "\"\$as_me:4792: $ac_compile\"" >&5)
+  (eval echo "\"\$as_me:4795: $ac_compile\"" >&5)
   (eval "$ac_compile" 2>conftest.err)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:4795: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval echo "\"\$as_me:4798: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
   (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:4798: output\"" >&5)
+  (eval echo "\"\$as_me:4801: output\"" >&5)
   cat conftest.out >&5
   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
     lt_cv_nm_interface="MS dumpbin"
@@ -6001,7 +6004,7 @@ ia64-*-hpux*)
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 6004 "configure"' > conftest.$ac_ext
+  echo '#line 6007 "configure"' > conftest.$ac_ext
   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -7854,11 +7857,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7857: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7860: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:7861: \$? = $ac_status" >&5
+   echo "$as_me:7864: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -8193,11 +8196,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:8196: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:8199: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:8200: \$? = $ac_status" >&5
+   echo "$as_me:8203: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -8298,11 +8301,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:8301: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:8304: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:8305: \$? = $ac_status" >&5
+   echo "$as_me:8308: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -8353,11 +8356,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:8356: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:8359: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:8360: \$? = $ac_status" >&5
+   echo "$as_me:8363: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -11156,7 +11159,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11159 "configure"
+#line 11162 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11252,7 +11255,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11255 "configure"
+#line 11258 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11720,22 +11723,29 @@ fi
 
 
 
-        SPL_CONFIG=all
+	SPL_CONFIG=all
 
 # Check whether --with-config was given.
 if test "${with_config+set}" = set; then
   withval=$with_config; SPL_CONFIG="$withval"
 fi
 
+	# Check whether --enable-linux-builtin was given.
+if test "${enable_linux_builtin+set}" = set; then
+  enableval=$enable_linux_builtin;
+else
+  enable_linux_builtin=no
+fi
 
-        { $as_echo "$as_me:$LINENO: checking spl config" >&5
+
+	{ $as_echo "$as_me:$LINENO: checking spl config" >&5
 $as_echo_n "checking spl config... " >&6; }
-        { $as_echo "$as_me:$LINENO: result: $SPL_CONFIG" >&5
+	{ $as_echo "$as_me:$LINENO: result: $SPL_CONFIG" >&5
 $as_echo "$SPL_CONFIG" >&6; };
 
 
-        case "$SPL_CONFIG" in
-                kernel)
+	case "$SPL_CONFIG" in
+		kernel)
 
 
 # Check whether --with-linux was given.
@@ -11762,7 +11772,7 @@ $as_echo_n "checking kernel source directory... " >&6; }
 			sourcelink=$(readlink -f "$headersdir")
 		else
 			sourcelink=$(ls -1d /usr/src/kernels/* \
-				     /usr/src/linux-* \
+			             /usr/src/linux-* \
 			             2>/dev/null | grep -v obj | tail -1)
 		fi
 
@@ -11836,9 +11846,19 @@ $as_echo "$as_me: error: *** Cannot determine kernel version." >&2;}
 	else
 		{ $as_echo "$as_me:$LINENO: result: Not found" >&5
 $as_echo "Not found" >&6; }
-		{ { $as_echo "$as_me:$LINENO: error: *** Cannot find UTS_RELEASE definition." >&5
+		if test "x$enable_linux_builtin" != xyes; then
+			{ { $as_echo "$as_me:$LINENO: error: *** Cannot find UTS_RELEASE definition." >&5
 $as_echo "$as_me: error: *** Cannot find UTS_RELEASE definition." >&2;}
    { (exit 1); exit 1; }; }
+		else
+			{ { $as_echo "$as_me:$LINENO: error:
+	*** Cannot find UTS_RELEASE definition.
+	*** Please run 'make prepare' inside the kernel source tree." >&5
+$as_echo "$as_me: error:
+	*** Cannot find UTS_RELEASE definition.
+	*** Please run 'make prepare' inside the kernel source tree." >&2;}
+   { (exit 1); exit 1; }; }
+		fi
 	fi
 
 	{ $as_echo "$as_me:$LINENO: result: $kernsrcver" >&5
@@ -11856,7 +11876,7 @@ $as_echo "$kernsrcver" >&6; }
 	modpost=$LINUX/scripts/Makefile.modpost
 	{ $as_echo "$as_me:$LINENO: checking kernel file name for module symbols" >&5
 $as_echo_n "checking kernel file name for module symbols... " >&6; }
-	if test -f "$modpost"; then
+	if test "x$enable_linux_builtin" != xyes -a -f "$modpost"; then
 		if grep -q Modules.symvers $modpost; then
 			LINUX_SYMBOLS=Modules.symvers
 		else
@@ -11914,9 +11934,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12091,6 +12113,76 @@ $as_echo_n "checking whether detailed kmem tracking is enabled... " >&6; }
 	{ $as_echo "$as_me:$LINENO: result: $enable_debug_kmem_tracking" >&5
 $as_echo "$enable_debug_kmem_tracking" >&6; }
 
+	{ $as_echo "$as_me:$LINENO: checking whether modules can be built" >&5
+$as_echo_n "checking whether modules can be built... " >&6; }
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		if test "x$enable_linux_builtin" != xyes; then
+			{ { $as_echo "$as_me:$LINENO: error: *** Unable to build an empty module." >&5
+$as_echo "$as_me: error: *** Unable to build an empty module." >&2;}
+   { (exit 1); exit 1; }; }
+		else
+			{ { $as_echo "$as_me:$LINENO: error:
+	*** Unable to build an empty module.
+	*** Please run 'make scripts' inside the kernel source tree." >&5
+$as_echo "$as_me: error:
+	*** Unable to build an empty module.
+	*** Please run 'make scripts' inside the kernel source tree." >&2;}
+   { (exit 1); exit 1; }; }
+		fi
+
+
+
+fi
+
+	rm -Rf build
+
+
+
 
 	# Check whether --enable-atomic-spinlocks was given.
 if test "${enable_atomic_spinlocks+set}" = set; then
@@ -12125,9 +12217,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12240,9 +12334,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12304,9 +12400,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12368,9 +12466,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12433,9 +12533,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12497,9 +12599,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12562,9 +12666,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12634,9 +12740,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12702,9 +12810,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12739,9 +12849,69 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether task_curr() is available" >&5
+$as_echo_n "checking whether task_curr() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/sched.h>
+
+int
+main (void)
+{
+
+		task_curr(NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol task_curr is exported" >&5
-$as_echo_n "checking whether symbol task_curr is exported... " >&6; }
 	grep -q -E '[[:space:]]task_curr[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -12751,25 +12921,28 @@ $as_echo_n "checking whether symbol task_curr is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(task_curr)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_TASK_CURR 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -12777,6 +12950,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_TASK_CURR 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -12809,9 +12984,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12875,9 +13052,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12939,9 +13118,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12976,9 +13157,9 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether device_create() is available" >&5
+$as_echo_n "checking whether device_create() is available... " >&6; }
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol device_create is exported" >&5
-$as_echo_n "checking whether symbol device_create is exported... " >&6; }
 	grep -q -E '[[:space:]]device_create[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -12988,25 +13169,18 @@ $as_echo_n "checking whether symbol device_create is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(device_create)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
+		if test $export -eq 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+		else :
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_DEVICE_CREATE 1
-_ACEOF
-
-		fi
-	else
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -13014,6 +13188,18 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_DEVICE_CREATE 1
 _ACEOF
 
+
+		fi
+	else :
+
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_DEVICE_CREATE 1
+_ACEOF
+
+
 	fi
 
 
@@ -13047,9 +13233,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13085,9 +13273,69 @@ fi
 
 	EXTRA_KCFLAGS="$tmp_flags"
 
+	{ $as_echo "$as_me:$LINENO: checking whether class_device_create() is available" >&5
+$as_echo_n "checking whether class_device_create() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/device.h>
+
+int
+main (void)
+{
+
+		class_device_create(NULL, NULL, 0, NULL, NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol class_device_create is exported" >&5
-$as_echo_n "checking whether symbol class_device_create is exported... " >&6; }
 	grep -q -E '[[:space:]]class_device_create[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -13097,25 +13345,28 @@ $as_echo_n "checking whether symbol class_device_create is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(class_device_create)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_CLASS_DEVICE_CREATE 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -13123,12 +13374,74 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_CLASS_DEVICE_CREATE 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether set_normalized_timespec() is available as export" >&5
+$as_echo_n "checking whether set_normalized_timespec() is available as export... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/time.h>
+
+int
+main (void)
+{
+
+		set_normalized_timespec(NULL, 0, 0);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol set_normalized_timespec is exported" >&5
-$as_echo_n "checking whether symbol set_normalized_timespec is exported... " >&6; }
 	grep -q -E '[[:space:]]set_normalized_timespec[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -13138,25 +13451,28 @@ $as_echo_n "checking whether symbol set_normalized_timespec is exported... " >&6
 			grep -q -E "EXPORT_SYMBOL.*(set_normalized_timespec)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_NORMALIZED_TIMESPEC_EXPORT 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -13164,6 +13480,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_SET_NORMALIZED_TIMESPEC_EXPORT 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -13195,9 +13513,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13263,9 +13583,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13329,9 +13651,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13394,9 +13718,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13468,9 +13794,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13536,9 +13864,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13601,9 +13931,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13670,9 +14002,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13707,9 +14041,69 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether monotonic_clock() is available" >&5
+$as_echo_n "checking whether monotonic_clock() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/timex.h>
+
+int
+main (void)
+{
+
+		monotonic_clock();
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol monotonic_clock is exported" >&5
-$as_echo_n "checking whether symbol monotonic_clock is exported... " >&6; }
 	grep -q -E '[[:space:]]monotonic_clock[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -13719,25 +14113,28 @@ $as_echo_n "checking whether symbol monotonic_clock is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(monotonic_clock)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_MONOTONIC_CLOCK 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -13745,6 +14142,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_MONOTONIC_CLOCK 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -13778,9 +14177,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13844,9 +14245,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13912,9 +14315,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13980,9 +14385,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14045,9 +14452,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14082,9 +14491,69 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether kallsyms_lookup_name() is available" >&5
+$as_echo_n "checking whether kallsyms_lookup_name() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/kallsyms.h>
+
+int
+main (void)
+{
+
+		kallsyms_lookup_name(NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol kallsyms_lookup_name is exported" >&5
-$as_echo_n "checking whether symbol kallsyms_lookup_name is exported... " >&6; }
 	grep -q -E '[[:space:]]kallsyms_lookup_name[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -14094,25 +14563,28 @@ $as_echo_n "checking whether symbol kallsyms_lookup_name is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(kallsyms_lookup_name)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_KALLSYMS_LOOKUP_NAME 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14120,12 +14592,14 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_KALLSYMS_LOOKUP_NAME 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether get_vmalloc_info() is available" >&5
+$as_echo_n "checking whether get_vmalloc_info() is available... " >&6; }
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol get_vmalloc_info is exported" >&5
-$as_echo_n "checking whether symbol get_vmalloc_info is exported... " >&6; }
 	grep -q -E '[[:space:]]get_vmalloc_info[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -14135,25 +14609,18 @@ $as_echo_n "checking whether symbol get_vmalloc_info is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(get_vmalloc_info)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
+		if test $export -eq 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+		else :
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GET_VMALLOC_INFO 1
-_ACEOF
-
-		fi
-	else
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14161,6 +14628,18 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_GET_VMALLOC_INFO 1
 _ACEOF
 
+
+		fi
+	else :
+
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_GET_VMALLOC_INFO 1
+_ACEOF
+
+
 	fi
 
 
@@ -14182,9 +14661,69 @@ _ACEOF
 $as_echo "no" >&6; }
 	fi
 
+	{ $as_echo "$as_me:$LINENO: checking whether first_online_pgdat() is available" >&5
+$as_echo_n "checking whether first_online_pgdat() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/mmzone.h>
+
+int
+main (void)
+{
+
+		first_online_pgdat();
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol first_online_pgdat is exported" >&5
-$as_echo_n "checking whether symbol first_online_pgdat is exported... " >&6; }
 	grep -q -E '[[:space:]]first_online_pgdat[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -14194,25 +14733,28 @@ $as_echo_n "checking whether symbol first_online_pgdat is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(first_online_pgdat)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_FIRST_ONLINE_PGDAT 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14220,12 +14762,74 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_FIRST_ONLINE_PGDAT 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether next_online_pgdat() is available" >&5
+$as_echo_n "checking whether next_online_pgdat() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/mmzone.h>
+
+int
+main (void)
+{
+
+		next_online_pgdat(NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol next_online_pgdat is exported" >&5
-$as_echo_n "checking whether symbol next_online_pgdat is exported... " >&6; }
 	grep -q -E '[[:space:]]next_online_pgdat[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -14235,25 +14839,28 @@ $as_echo_n "checking whether symbol next_online_pgdat is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(next_online_pgdat)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_NEXT_ONLINE_PGDAT 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14261,12 +14868,74 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_NEXT_ONLINE_PGDAT 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether next_zone() is available" >&5
+$as_echo_n "checking whether next_zone() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/mmzone.h>
+
+int
+main (void)
+{
+
+		next_zone(NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol next_zone is exported" >&5
-$as_echo_n "checking whether symbol next_zone is exported... " >&6; }
 	grep -q -E '[[:space:]]next_zone[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -14276,25 +14945,28 @@ $as_echo_n "checking whether symbol next_zone is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(next_zone)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_NEXT_ZONE 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14302,12 +14974,73 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_NEXT_ZONE 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether pgdat_list is available" >&5
+$as_echo_n "checking whether pgdat_list is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/topology.h>
+		pg_data_t *tmp = pgdat_list;
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol pgdat_list is exported" >&5
-$as_echo_n "checking whether symbol pgdat_list is exported... " >&6; }
 	grep -q -E '[[:space:]]pgdat_list[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -14317,25 +15050,28 @@ $as_echo_n "checking whether symbol pgdat_list is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(pgdat_list)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_PGDAT_LIST 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14343,6 +15079,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_PGDAT_LIST 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -14375,9 +15113,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14441,9 +15181,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14507,9 +15249,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14572,9 +15316,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14637,9 +15383,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14703,9 +15451,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14768,9 +15518,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14833,9 +15585,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14911,9 +15665,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14940,8 +15696,69 @@ cat >>confdefs.h <<\_ACEOF
 _ACEOF
 
 
-		{ $as_echo "$as_me:$LINENO: checking whether symbol get_zone_counts is exported" >&5
-$as_echo_n "checking whether symbol get_zone_counts is exported... " >&6; }
+		{ $as_echo "$as_me:$LINENO: checking whether get_zone_counts() is available" >&5
+$as_echo_n "checking whether get_zone_counts() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+			#include <linux/mmzone.h>
+
+int
+main (void)
+{
+
+			get_zone_counts(NULL, NULL, NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+			{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
+
 	grep -q -E '[[:space:]]get_zone_counts[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -14951,16 +15768,28 @@ $as_echo_n "checking whether symbol get_zone_counts is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(get_zone_counts)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
+
+		fi
+		if test $rc -ne 0; then :
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+		else :
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14968,15 +15797,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_GET_ZONE_COUNTS 1
 _ACEOF
 
+
 		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GET_ZONE_COUNTS 1
-_ACEOF
-
 	fi
 
 
@@ -14988,9 +15810,70 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether user_path_dir() is available" >&5
+$as_echo_n "checking whether user_path_dir() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/fcntl.h>
+		#include <linux/namei.h>
+
+int
+main (void)
+{
+
+		user_path_dir(NULL, NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol user_path_at is exported" >&5
-$as_echo_n "checking whether symbol user_path_at is exported... " >&6; }
 	grep -q -E '[[:space:]]user_path_at[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -15000,25 +15883,28 @@ $as_echo_n "checking whether symbol user_path_at is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(user_path_at)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_USER_PATH_DIR 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -15026,12 +15912,75 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_USER_PATH_DIR 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether set_fs_pwd() is available" >&5
+$as_echo_n "checking whether set_fs_pwd() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/spinlock.h>
+		#include <linux/fs_struct.h>
+
+int
+main (void)
+{
+
+		(void) set_fs_pwd;
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol set_fs_pwd is exported" >&5
-$as_echo_n "checking whether symbol set_fs_pwd is exported... " >&6; }
 	grep -q -E '[[:space:]]set_fs_pwd[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -15041,25 +15990,28 @@ $as_echo_n "checking whether symbol set_fs_pwd is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(set_fs_pwd)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_FS_PWD 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -15067,6 +16019,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_SET_FS_PWD 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -15098,9 +16052,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15162,9 +16118,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15226,9 +16184,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15263,9 +16223,69 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether vfs_fsync() is available" >&5
+$as_echo_n "checking whether vfs_fsync() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/fs.h>
+
+int
+main (void)
+{
+
+		(void) vfs_fsync;
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol vfs_fsync is exported" >&5
-$as_echo_n "checking whether symbol vfs_fsync is exported... " >&6; }
 	grep -q -E '[[:space:]]vfs_fsync[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -15275,25 +16295,28 @@ $as_echo_n "checking whether symbol vfs_fsync is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(vfs_fsync)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_VFS_FSYNC 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -15301,6 +16324,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_VFS_FSYNC 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -15332,9 +16357,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15401,9 +16428,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15468,9 +16497,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15505,9 +16536,69 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether groups_search() is available" >&5
+$as_echo_n "checking whether groups_search() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/cred.h>
+
+int
+main (void)
+{
+
+		groups_search(NULL, 0);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol groups_search is exported" >&5
-$as_echo_n "checking whether symbol groups_search is exported... " >&6; }
 	grep -q -E '[[:space:]]groups_search[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -15517,25 +16608,28 @@ $as_echo_n "checking whether symbol groups_search is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(groups_search)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GROUPS_SEARCH 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -15543,12 +16637,74 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_GROUPS_SEARCH 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether __put_task_struct() is available" >&5
+$as_echo_n "checking whether __put_task_struct() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/sched.h>
+
+int
+main (void)
+{
+
+		__put_task_struct(NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol __put_task_struct is exported" >&5
-$as_echo_n "checking whether symbol __put_task_struct is exported... " >&6; }
 	grep -q -E '[[:space:]]__put_task_struct[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -15558,25 +16714,28 @@ $as_echo_n "checking whether symbol __put_task_struct is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(__put_task_struct)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_PUT_TASK_STRUCT 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -15584,6 +16743,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_PUT_TASK_STRUCT 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -15615,9 +16776,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15652,9 +16815,69 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether kvasprintf() is available" >&5
+$as_echo_n "checking whether kvasprintf() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/kernel.h>
+
+int
+main (void)
+{
+
+		kvasprintf(0, NULL, *((va_list*)NULL));
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol kvasprintf is exported" >&5
-$as_echo_n "checking whether symbol kvasprintf is exported... " >&6; }
 	grep -q -E '[[:space:]]kvasprintf[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -15664,25 +16887,28 @@ $as_echo_n "checking whether symbol kvasprintf is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(kvasprintf)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_KVASPRINTF 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -15690,12 +16916,73 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_KVASPRINTF 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether rwsem_is_locked() acquires sem->wait_lock" >&5
+$as_echo_n "checking whether rwsem_is_locked() acquires sem->wait_lock... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/rwsem.h>
+		int rwsem_is_locked(struct rw_semaphore *sem) { return 0; }
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol rwsem_is_locked is exported" >&5
-$as_echo_n "checking whether symbol rwsem_is_locked is exported... " >&6; }
 	grep -q -E '[[:space:]]rwsem_is_locked[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -15705,25 +16992,28 @@ $as_echo_n "checking whether symbol rwsem_is_locked is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(rwsem_is_locked)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define RWSEM_IS_LOCKED_TAKES_WAIT_LOCK 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -15731,12 +17021,75 @@ cat >>confdefs.h <<\_ACEOF
 #define RWSEM_IS_LOCKED_TAKES_WAIT_LOCK 1
 _ACEOF
 
+
+		fi
 	fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol invalidate_inodes is exported" >&5
-$as_echo_n "checking whether symbol invalidate_inodes is exported... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether invalidate_inodes() is available" >&5
+$as_echo_n "checking whether invalidate_inodes() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/fs.h>
+
+int
+main (void)
+{
+
+		invalidate_inodes;
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
+
 	grep -q -E '[[:space:]]invalidate_inodes[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -15746,25 +17099,28 @@ $as_echo_n "checking whether symbol invalidate_inodes is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(invalidate_inodes)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_INVALIDATE_INODES 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -15772,10 +17128,74 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_INVALIDATE_INODES 1
 _ACEOF
 
+
+		fi
 	fi
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol invalidate_inodes_check is exported" >&5
-$as_echo_n "checking whether symbol invalidate_inodes_check is exported... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether invalidate_inodes_check() is available" >&5
+$as_echo_n "checking whether invalidate_inodes_check() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/fs.h>
+
+int
+main (void)
+{
+
+		invalidate_inodes_check(NULL, 0);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
+
 	grep -q -E '[[:space:]]invalidate_inodes_check[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -15785,25 +17205,28 @@ $as_echo_n "checking whether symbol invalidate_inodes_check is exported... " >&6
 			grep -q -E "EXPORT_SYMBOL.*(invalidate_inodes_check)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_INVALIDATE_INODES_CHECK 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -15811,6 +17234,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_INVALIDATE_INODES_CHECK 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -15841,9 +17266,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15878,9 +17305,69 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether shrink_dcache_memory() is available" >&5
+$as_echo_n "checking whether shrink_dcache_memory() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/dcache.h>
+
+int
+main (void)
+{
+
+		shrink_dcache_memory(0, 0);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol shrink_dcache_memory is exported" >&5
-$as_echo_n "checking whether symbol shrink_dcache_memory is exported... " >&6; }
 	grep -q -E '[[:space:]]shrink_dcache_memory[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -15890,25 +17377,28 @@ $as_echo_n "checking whether symbol shrink_dcache_memory is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(shrink_dcache_memory)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SHRINK_DCACHE_MEMORY 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -15916,12 +17406,74 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_SHRINK_DCACHE_MEMORY 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether shrink_icache_memory() is available" >&5
+$as_echo_n "checking whether shrink_icache_memory() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/dcache.h>
+
+int
+main (void)
+{
+
+		shrink_icache_memory(0, 0);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol shrink_icache_memory is exported" >&5
-$as_echo_n "checking whether symbol shrink_icache_memory is exported... " >&6; }
 	grep -q -E '[[:space:]]shrink_icache_memory[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -15931,25 +17483,28 @@ $as_echo_n "checking whether symbol shrink_icache_memory is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(shrink_icache_memory)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SHRINK_ICACHE_MEMORY 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -15957,6 +17512,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_SHRINK_ICACHE_MEMORY 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -15968,10 +17525,10 @@ $as_echo_n "checking whether symbol kern_path_parent exists in header... " >&6;
 	for file in include/linux/namei.h; do
 		grep -q "int kern_path_parent(const char \*, struct nameidata \*)" "$LINUX/$file" 2>/dev/null
 		rc=$?
-	        if test $rc -eq 0; then
-	                header=1
-	                break;
-	        fi
+		if test $rc -eq 0; then
+			header=1
+			break;
+		fi
 	done
 	if test $header -eq 0; then
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
@@ -15988,9 +17545,69 @@ _ACEOF
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether kern_path_parent() is available" >&5
+$as_echo_n "checking whether kern_path_parent() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/namei.h>
+
+int
+main (void)
+{
+
+		kern_path_parent(NULL, NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol kern_path_parent is exported" >&5
-$as_echo_n "checking whether symbol kern_path_parent is exported... " >&6; }
 	grep -q -E '[[:space:]]kern_path_parent[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -16000,25 +17617,28 @@ $as_echo_n "checking whether symbol kern_path_parent is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(kern_path_parent)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_KERN_PATH_PARENT_SYMBOL 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -16026,6 +17646,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_KERN_PATH_PARENT_SYMBOL 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -16056,9 +17678,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16124,9 +17748,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16193,9 +17819,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16272,9 +17900,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16310,8 +17940,8 @@ fi
 
 
  ;;
-                user)      ;;
-                all)
+		user)      ;;
+		all)
 
 
 # Check whether --with-linux was given.
@@ -16338,7 +17968,7 @@ $as_echo_n "checking kernel source directory... " >&6; }
 			sourcelink=$(readlink -f "$headersdir")
 		else
 			sourcelink=$(ls -1d /usr/src/kernels/* \
-				     /usr/src/linux-* \
+			             /usr/src/linux-* \
 			             2>/dev/null | grep -v obj | tail -1)
 		fi
 
@@ -16412,9 +18042,19 @@ $as_echo "$as_me: error: *** Cannot determine kernel version." >&2;}
 	else
 		{ $as_echo "$as_me:$LINENO: result: Not found" >&5
 $as_echo "Not found" >&6; }
-		{ { $as_echo "$as_me:$LINENO: error: *** Cannot find UTS_RELEASE definition." >&5
+		if test "x$enable_linux_builtin" != xyes; then
+			{ { $as_echo "$as_me:$LINENO: error: *** Cannot find UTS_RELEASE definition." >&5
 $as_echo "$as_me: error: *** Cannot find UTS_RELEASE definition." >&2;}
    { (exit 1); exit 1; }; }
+		else
+			{ { $as_echo "$as_me:$LINENO: error:
+	*** Cannot find UTS_RELEASE definition.
+	*** Please run 'make prepare' inside the kernel source tree." >&5
+$as_echo "$as_me: error:
+	*** Cannot find UTS_RELEASE definition.
+	*** Please run 'make prepare' inside the kernel source tree." >&2;}
+   { (exit 1); exit 1; }; }
+		fi
 	fi
 
 	{ $as_echo "$as_me:$LINENO: result: $kernsrcver" >&5
@@ -16432,7 +18072,7 @@ $as_echo "$kernsrcver" >&6; }
 	modpost=$LINUX/scripts/Makefile.modpost
 	{ $as_echo "$as_me:$LINENO: checking kernel file name for module symbols" >&5
 $as_echo_n "checking kernel file name for module symbols... " >&6; }
-	if test -f "$modpost"; then
+	if test "x$enable_linux_builtin" != xyes -a -f "$modpost"; then
 		if grep -q Modules.symvers $modpost; then
 			LINUX_SYMBOLS=Modules.symvers
 		else
@@ -16490,9 +18130,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16667,6 +18309,76 @@ $as_echo_n "checking whether detailed kmem tracking is enabled... " >&6; }
 	{ $as_echo "$as_me:$LINENO: result: $enable_debug_kmem_tracking" >&5
 $as_echo "$enable_debug_kmem_tracking" >&6; }
 
+	{ $as_echo "$as_me:$LINENO: checking whether modules can be built" >&5
+$as_echo_n "checking whether modules can be built... " >&6; }
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		if test "x$enable_linux_builtin" != xyes; then
+			{ { $as_echo "$as_me:$LINENO: error: *** Unable to build an empty module." >&5
+$as_echo "$as_me: error: *** Unable to build an empty module." >&2;}
+   { (exit 1); exit 1; }; }
+		else
+			{ { $as_echo "$as_me:$LINENO: error:
+	*** Unable to build an empty module.
+	*** Please run 'make scripts' inside the kernel source tree." >&5
+$as_echo "$as_me: error:
+	*** Unable to build an empty module.
+	*** Please run 'make scripts' inside the kernel source tree." >&2;}
+   { (exit 1); exit 1; }; }
+		fi
+
+
+
+fi
+
+	rm -Rf build
+
+
+
 
 	# Check whether --enable-atomic-spinlocks was given.
 if test "${enable_atomic_spinlocks+set}" = set; then
@@ -16701,9 +18413,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16816,9 +18530,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16880,9 +18596,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16944,9 +18662,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17009,9 +18729,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17073,9 +18795,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17138,9 +18862,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17210,9 +18936,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17278,9 +19006,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17315,9 +19045,69 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether task_curr() is available" >&5
+$as_echo_n "checking whether task_curr() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/sched.h>
+
+int
+main (void)
+{
+
+		task_curr(NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol task_curr is exported" >&5
-$as_echo_n "checking whether symbol task_curr is exported... " >&6; }
 	grep -q -E '[[:space:]]task_curr[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -17327,25 +19117,28 @@ $as_echo_n "checking whether symbol task_curr is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(task_curr)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_TASK_CURR 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -17353,6 +19146,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_TASK_CURR 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -17385,9 +19180,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17451,9 +19248,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17515,9 +19314,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17552,9 +19353,9 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether device_create() is available" >&5
+$as_echo_n "checking whether device_create() is available... " >&6; }
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol device_create is exported" >&5
-$as_echo_n "checking whether symbol device_create is exported... " >&6; }
 	grep -q -E '[[:space:]]device_create[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -17564,25 +19365,18 @@ $as_echo_n "checking whether symbol device_create is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(device_create)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
+		if test $export -eq 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+		else :
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_DEVICE_CREATE 1
-_ACEOF
-
-		fi
-	else
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -17590,6 +19384,18 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_DEVICE_CREATE 1
 _ACEOF
 
+
+		fi
+	else :
+
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_DEVICE_CREATE 1
+_ACEOF
+
+
 	fi
 
 
@@ -17623,9 +19429,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17661,9 +19469,69 @@ fi
 
 	EXTRA_KCFLAGS="$tmp_flags"
 
+	{ $as_echo "$as_me:$LINENO: checking whether class_device_create() is available" >&5
+$as_echo_n "checking whether class_device_create() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/device.h>
+
+int
+main (void)
+{
+
+		class_device_create(NULL, NULL, 0, NULL, NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol class_device_create is exported" >&5
-$as_echo_n "checking whether symbol class_device_create is exported... " >&6; }
 	grep -q -E '[[:space:]]class_device_create[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -17673,25 +19541,28 @@ $as_echo_n "checking whether symbol class_device_create is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(class_device_create)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_CLASS_DEVICE_CREATE 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -17699,12 +19570,74 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_CLASS_DEVICE_CREATE 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether set_normalized_timespec() is available as export" >&5
+$as_echo_n "checking whether set_normalized_timespec() is available as export... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/time.h>
+
+int
+main (void)
+{
+
+		set_normalized_timespec(NULL, 0, 0);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol set_normalized_timespec is exported" >&5
-$as_echo_n "checking whether symbol set_normalized_timespec is exported... " >&6; }
 	grep -q -E '[[:space:]]set_normalized_timespec[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -17714,25 +19647,28 @@ $as_echo_n "checking whether symbol set_normalized_timespec is exported... " >&6
 			grep -q -E "EXPORT_SYMBOL.*(set_normalized_timespec)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_NORMALIZED_TIMESPEC_EXPORT 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -17740,6 +19676,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_SET_NORMALIZED_TIMESPEC_EXPORT 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -17771,9 +19709,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17839,9 +19779,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17905,9 +19847,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17970,9 +19914,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18044,9 +19990,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18112,9 +20060,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18177,9 +20127,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18246,9 +20198,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18283,9 +20237,69 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether monotonic_clock() is available" >&5
+$as_echo_n "checking whether monotonic_clock() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/timex.h>
+
+int
+main (void)
+{
+
+		monotonic_clock();
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol monotonic_clock is exported" >&5
-$as_echo_n "checking whether symbol monotonic_clock is exported... " >&6; }
 	grep -q -E '[[:space:]]monotonic_clock[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -18295,25 +20309,28 @@ $as_echo_n "checking whether symbol monotonic_clock is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(monotonic_clock)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_MONOTONIC_CLOCK 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18321,6 +20338,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_MONOTONIC_CLOCK 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -18354,9 +20373,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18420,9 +20441,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18488,9 +20511,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18556,9 +20581,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18621,9 +20648,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18658,9 +20687,69 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether kallsyms_lookup_name() is available" >&5
+$as_echo_n "checking whether kallsyms_lookup_name() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/kallsyms.h>
+
+int
+main (void)
+{
+
+		kallsyms_lookup_name(NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol kallsyms_lookup_name is exported" >&5
-$as_echo_n "checking whether symbol kallsyms_lookup_name is exported... " >&6; }
 	grep -q -E '[[:space:]]kallsyms_lookup_name[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -18670,25 +20759,28 @@ $as_echo_n "checking whether symbol kallsyms_lookup_name is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(kallsyms_lookup_name)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_KALLSYMS_LOOKUP_NAME 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18696,12 +20788,14 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_KALLSYMS_LOOKUP_NAME 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether get_vmalloc_info() is available" >&5
+$as_echo_n "checking whether get_vmalloc_info() is available... " >&6; }
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol get_vmalloc_info is exported" >&5
-$as_echo_n "checking whether symbol get_vmalloc_info is exported... " >&6; }
 	grep -q -E '[[:space:]]get_vmalloc_info[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -18711,25 +20805,18 @@ $as_echo_n "checking whether symbol get_vmalloc_info is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(get_vmalloc_info)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
+		if test $export -eq 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+		else :
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GET_VMALLOC_INFO 1
-_ACEOF
-
-		fi
-	else
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18737,6 +20824,18 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_GET_VMALLOC_INFO 1
 _ACEOF
 
+
+		fi
+	else :
+
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_GET_VMALLOC_INFO 1
+_ACEOF
+
+
 	fi
 
 
@@ -18758,9 +20857,69 @@ _ACEOF
 $as_echo "no" >&6; }
 	fi
 
+	{ $as_echo "$as_me:$LINENO: checking whether first_online_pgdat() is available" >&5
+$as_echo_n "checking whether first_online_pgdat() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/mmzone.h>
+
+int
+main (void)
+{
+
+		first_online_pgdat();
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol first_online_pgdat is exported" >&5
-$as_echo_n "checking whether symbol first_online_pgdat is exported... " >&6; }
 	grep -q -E '[[:space:]]first_online_pgdat[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -18770,25 +20929,28 @@ $as_echo_n "checking whether symbol first_online_pgdat is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(first_online_pgdat)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_FIRST_ONLINE_PGDAT 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18796,12 +20958,74 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_FIRST_ONLINE_PGDAT 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether next_online_pgdat() is available" >&5
+$as_echo_n "checking whether next_online_pgdat() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/mmzone.h>
+
+int
+main (void)
+{
+
+		next_online_pgdat(NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol next_online_pgdat is exported" >&5
-$as_echo_n "checking whether symbol next_online_pgdat is exported... " >&6; }
 	grep -q -E '[[:space:]]next_online_pgdat[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -18811,25 +21035,28 @@ $as_echo_n "checking whether symbol next_online_pgdat is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(next_online_pgdat)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_NEXT_ONLINE_PGDAT 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18837,12 +21064,74 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_NEXT_ONLINE_PGDAT 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether next_zone() is available" >&5
+$as_echo_n "checking whether next_zone() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/mmzone.h>
+
+int
+main (void)
+{
+
+		next_zone(NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol next_zone is exported" >&5
-$as_echo_n "checking whether symbol next_zone is exported... " >&6; }
 	grep -q -E '[[:space:]]next_zone[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -18852,25 +21141,28 @@ $as_echo_n "checking whether symbol next_zone is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(next_zone)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_NEXT_ZONE 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18878,12 +21170,73 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_NEXT_ZONE 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether pgdat_list is available" >&5
+$as_echo_n "checking whether pgdat_list is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/topology.h>
+		pg_data_t *tmp = pgdat_list;
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol pgdat_list is exported" >&5
-$as_echo_n "checking whether symbol pgdat_list is exported... " >&6; }
 	grep -q -E '[[:space:]]pgdat_list[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -18893,25 +21246,28 @@ $as_echo_n "checking whether symbol pgdat_list is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(pgdat_list)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_PGDAT_LIST 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18919,6 +21275,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_PGDAT_LIST 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -18951,9 +21309,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -19017,9 +21377,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -19083,9 +21445,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -19148,9 +21512,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -19213,9 +21579,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -19279,9 +21647,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -19344,9 +21714,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -19409,9 +21781,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -19487,9 +21861,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -19516,8 +21892,69 @@ cat >>confdefs.h <<\_ACEOF
 _ACEOF
 
 
-		{ $as_echo "$as_me:$LINENO: checking whether symbol get_zone_counts is exported" >&5
-$as_echo_n "checking whether symbol get_zone_counts is exported... " >&6; }
+		{ $as_echo "$as_me:$LINENO: checking whether get_zone_counts() is available" >&5
+$as_echo_n "checking whether get_zone_counts() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+			#include <linux/mmzone.h>
+
+int
+main (void)
+{
+
+			get_zone_counts(NULL, NULL, NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+			{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
+
 	grep -q -E '[[:space:]]get_zone_counts[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -19527,16 +21964,28 @@ $as_echo_n "checking whether symbol get_zone_counts is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(get_zone_counts)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
+
+		fi
+		if test $rc -ne 0; then :
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+		else :
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -19544,15 +21993,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_GET_ZONE_COUNTS 1
 _ACEOF
 
+
 		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GET_ZONE_COUNTS 1
-_ACEOF
-
 	fi
 
 
@@ -19564,9 +22006,70 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether user_path_dir() is available" >&5
+$as_echo_n "checking whether user_path_dir() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/fcntl.h>
+		#include <linux/namei.h>
+
+int
+main (void)
+{
+
+		user_path_dir(NULL, NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol user_path_at is exported" >&5
-$as_echo_n "checking whether symbol user_path_at is exported... " >&6; }
 	grep -q -E '[[:space:]]user_path_at[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -19576,25 +22079,28 @@ $as_echo_n "checking whether symbol user_path_at is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(user_path_at)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_USER_PATH_DIR 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -19602,12 +22108,75 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_USER_PATH_DIR 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether set_fs_pwd() is available" >&5
+$as_echo_n "checking whether set_fs_pwd() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/spinlock.h>
+		#include <linux/fs_struct.h>
+
+int
+main (void)
+{
+
+		(void) set_fs_pwd;
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol set_fs_pwd is exported" >&5
-$as_echo_n "checking whether symbol set_fs_pwd is exported... " >&6; }
 	grep -q -E '[[:space:]]set_fs_pwd[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -19617,25 +22186,28 @@ $as_echo_n "checking whether symbol set_fs_pwd is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(set_fs_pwd)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_FS_PWD 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -19643,6 +22215,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_SET_FS_PWD 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -19674,9 +22248,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -19738,9 +22314,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -19802,9 +22380,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -19839,9 +22419,69 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether vfs_fsync() is available" >&5
+$as_echo_n "checking whether vfs_fsync() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/fs.h>
+
+int
+main (void)
+{
+
+		(void) vfs_fsync;
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol vfs_fsync is exported" >&5
-$as_echo_n "checking whether symbol vfs_fsync is exported... " >&6; }
 	grep -q -E '[[:space:]]vfs_fsync[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -19851,25 +22491,28 @@ $as_echo_n "checking whether symbol vfs_fsync is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(vfs_fsync)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_VFS_FSYNC 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -19877,6 +22520,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_VFS_FSYNC 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -19908,9 +22553,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -19977,9 +22624,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -20044,9 +22693,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -20081,9 +22732,69 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether groups_search() is available" >&5
+$as_echo_n "checking whether groups_search() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/cred.h>
+
+int
+main (void)
+{
+
+		groups_search(NULL, 0);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol groups_search is exported" >&5
-$as_echo_n "checking whether symbol groups_search is exported... " >&6; }
 	grep -q -E '[[:space:]]groups_search[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -20093,25 +22804,28 @@ $as_echo_n "checking whether symbol groups_search is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(groups_search)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GROUPS_SEARCH 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -20119,12 +22833,74 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_GROUPS_SEARCH 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether __put_task_struct() is available" >&5
+$as_echo_n "checking whether __put_task_struct() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/sched.h>
+
+int
+main (void)
+{
+
+		__put_task_struct(NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol __put_task_struct is exported" >&5
-$as_echo_n "checking whether symbol __put_task_struct is exported... " >&6; }
 	grep -q -E '[[:space:]]__put_task_struct[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -20134,25 +22910,28 @@ $as_echo_n "checking whether symbol __put_task_struct is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(__put_task_struct)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_PUT_TASK_STRUCT 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -20160,6 +22939,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_PUT_TASK_STRUCT 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -20191,9 +22972,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -20228,9 +23011,69 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether kvasprintf() is available" >&5
+$as_echo_n "checking whether kvasprintf() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/kernel.h>
+
+int
+main (void)
+{
+
+		kvasprintf(0, NULL, *((va_list*)NULL));
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol kvasprintf is exported" >&5
-$as_echo_n "checking whether symbol kvasprintf is exported... " >&6; }
 	grep -q -E '[[:space:]]kvasprintf[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -20240,25 +23083,28 @@ $as_echo_n "checking whether symbol kvasprintf is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(kvasprintf)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_KVASPRINTF 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -20266,12 +23112,73 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_KVASPRINTF 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether rwsem_is_locked() acquires sem->wait_lock" >&5
+$as_echo_n "checking whether rwsem_is_locked() acquires sem->wait_lock... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/rwsem.h>
+		int rwsem_is_locked(struct rw_semaphore *sem) { return 0; }
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol rwsem_is_locked is exported" >&5
-$as_echo_n "checking whether symbol rwsem_is_locked is exported... " >&6; }
 	grep -q -E '[[:space:]]rwsem_is_locked[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -20281,25 +23188,28 @@ $as_echo_n "checking whether symbol rwsem_is_locked is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(rwsem_is_locked)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define RWSEM_IS_LOCKED_TAKES_WAIT_LOCK 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -20307,12 +23217,75 @@ cat >>confdefs.h <<\_ACEOF
 #define RWSEM_IS_LOCKED_TAKES_WAIT_LOCK 1
 _ACEOF
 
+
+		fi
 	fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol invalidate_inodes is exported" >&5
-$as_echo_n "checking whether symbol invalidate_inodes is exported... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether invalidate_inodes() is available" >&5
+$as_echo_n "checking whether invalidate_inodes() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/fs.h>
+
+int
+main (void)
+{
+
+		invalidate_inodes;
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
+
 	grep -q -E '[[:space:]]invalidate_inodes[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -20322,25 +23295,28 @@ $as_echo_n "checking whether symbol invalidate_inodes is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(invalidate_inodes)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_INVALIDATE_INODES 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -20348,10 +23324,74 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_INVALIDATE_INODES 1
 _ACEOF
 
+
+		fi
 	fi
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol invalidate_inodes_check is exported" >&5
-$as_echo_n "checking whether symbol invalidate_inodes_check is exported... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether invalidate_inodes_check() is available" >&5
+$as_echo_n "checking whether invalidate_inodes_check() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/fs.h>
+
+int
+main (void)
+{
+
+		invalidate_inodes_check(NULL, 0);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
+
 	grep -q -E '[[:space:]]invalidate_inodes_check[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -20361,25 +23401,28 @@ $as_echo_n "checking whether symbol invalidate_inodes_check is exported... " >&6
 			grep -q -E "EXPORT_SYMBOL.*(invalidate_inodes_check)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_INVALIDATE_INODES_CHECK 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -20387,6 +23430,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_INVALIDATE_INODES_CHECK 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -20417,9 +23462,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -20454,9 +23501,69 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether shrink_dcache_memory() is available" >&5
+$as_echo_n "checking whether shrink_dcache_memory() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/dcache.h>
+
+int
+main (void)
+{
+
+		shrink_dcache_memory(0, 0);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol shrink_dcache_memory is exported" >&5
-$as_echo_n "checking whether symbol shrink_dcache_memory is exported... " >&6; }
 	grep -q -E '[[:space:]]shrink_dcache_memory[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -20466,25 +23573,28 @@ $as_echo_n "checking whether symbol shrink_dcache_memory is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(shrink_dcache_memory)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SHRINK_DCACHE_MEMORY 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -20492,12 +23602,74 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_SHRINK_DCACHE_MEMORY 1
 _ACEOF
 
+
+		fi
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether shrink_icache_memory() is available" >&5
+$as_echo_n "checking whether shrink_icache_memory() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/dcache.h>
+
+int
+main (void)
+{
+
+		shrink_icache_memory(0, 0);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol shrink_icache_memory is exported" >&5
-$as_echo_n "checking whether symbol shrink_icache_memory is exported... " >&6; }
 	grep -q -E '[[:space:]]shrink_icache_memory[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -20507,25 +23679,28 @@ $as_echo_n "checking whether symbol shrink_icache_memory is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(shrink_icache_memory)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SHRINK_ICACHE_MEMORY 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -20533,6 +23708,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_SHRINK_ICACHE_MEMORY 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -20544,10 +23721,10 @@ $as_echo_n "checking whether symbol kern_path_parent exists in header... " >&6;
 	for file in include/linux/namei.h; do
 		grep -q "int kern_path_parent(const char \*, struct nameidata \*)" "$LINUX/$file" 2>/dev/null
 		rc=$?
-	        if test $rc -eq 0; then
-	                header=1
-	                break;
-	        fi
+		if test $rc -eq 0; then
+			header=1
+			break;
+		fi
 	done
 	if test $header -eq 0; then
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
@@ -20564,9 +23741,69 @@ _ACEOF
 	fi
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether kern_path_parent() is available" >&5
+$as_echo_n "checking whether kern_path_parent() is available... " >&6; }
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/namei.h>
+
+int
+main (void)
+{
+
+		kern_path_parent(NULL, NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+	rm -Rf build
+
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol kern_path_parent is exported" >&5
-$as_echo_n "checking whether symbol kern_path_parent is exported... " >&6; }
 	grep -q -E '[[:space:]]kern_path_parent[[:space:]]' \
 		$LINUX_OBJ/Module*.symvers 2>/dev/null
 	rc=$?
@@ -20576,25 +23813,28 @@ $as_echo_n "checking whether symbol kern_path_parent is exported... " >&6; }
 			grep -q -E "EXPORT_SYMBOL.*(kern_path_parent)" \
 				"$LINUX_OBJ/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
 		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_KERN_PATH_PARENT_SYMBOL 1
-_ACEOF
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
 
 		fi
-	else
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -20602,6 +23842,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_KERN_PATH_PARENT_SYMBOL 1
 _ACEOF
 
+
+		fi
 	fi
 
 
@@ -20632,9 +23874,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -20700,9 +23944,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -20769,9 +24015,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -20848,9 +24096,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -20886,20 +24136,19 @@ fi
 
 
 
-                           ;;
+		           ;;
 		srpm)                        ;;
-                *)
-                { $as_echo "$as_me:$LINENO: result: Error!" >&5
+		*)
+		{ $as_echo "$as_me:$LINENO: result: Error!" >&5
 $as_echo "Error!" >&6; }
-                { { $as_echo "$as_me:$LINENO: error: Bad value \"$SPL_CONFIG\" for --with-config,
-                              user kernel|user|all|srpm" >&5
+		{ { $as_echo "$as_me:$LINENO: error: Bad value \"$SPL_CONFIG\" for --with-config,
+		             user kernel|user|all|srpm" >&5
 $as_echo "$as_me: error: Bad value \"$SPL_CONFIG\" for --with-config,
-                              user kernel|user|all|srpm" >&2;}
+		             user kernel|user|all|srpm" >&2;}
    { (exit 1); exit 1; }; } ;;
-        esac
+	esac
 
-         if test "$SPL_CONFIG" = user ||
-                       test "$SPL_CONFIG" = all; then
+	 if test "$SPL_CONFIG" = user -o "$SPL_CONFIG" = all; then
   CONFIG_USER_TRUE=
   CONFIG_USER_FALSE='#'
 else
@@ -20907,8 +24156,8 @@ else
   CONFIG_USER_FALSE=
 fi
 
-         if test "$SPL_CONFIG" = kernel ||
-                       test "$SPL_CONFIG" = all; then
+	 if test "$SPL_CONFIG" = kernel -o "$SPL_CONFIG" = all &&
+	               test "x$enable_linux_builtin" != xyes ; then
   CONFIG_KERNEL_TRUE=
   CONFIG_KERNEL_FALSE='#'
 else
diff --git a/copy-builtin b/copy-builtin
new file mode 100755
index 0000000000..3277270d92
--- /dev/null
+++ b/copy-builtin
@@ -0,0 +1,122 @@
+#!/bin/bash
+
+set -e
+
+usage()
+{
+	echo "usage: $0 <kernel source tree>" >&2
+	exit 1
+}
+
+[ "$#" -eq 1 ] || usage
+KERNEL_DIR="$(readlink --canonicalize-existing "$1")"
+
+MODULES=()
+for MODULE_DIR in module/*
+do
+	[ -d "$MODULE_DIR" ] || continue
+	MODULES+=("${MODULE_DIR##*/}")
+done
+
+if ! [ -e 'spl_config.h' ]
+then
+	echo >&2
+	echo "    $0: you did not run configure, or you're not in the SPL source directory." >&2
+	echo "    $0: run configure with --with-linux=$KERNEL_DIR and --enable-linux-builtin." >&2
+	echo >&2
+	exit 1
+fi
+
+make clean || true
+
+rm -rf "$KERNEL_DIR/include/spl" "$KERNEL_DIR/spl"
+cp --recursive include "$KERNEL_DIR/include/spl"
+cp --recursive module "$KERNEL_DIR/spl"
+cp spl_config.h "$KERNEL_DIR/"
+
+adjust_obj_paths()
+{
+	local FILE="$1"
+	local LINE OBJPATH
+
+	while IFS='' read -r LINE
+	do
+		OBJPATH="${LINE#\$(MODULE)-objs += }"
+		if [ "$OBJPATH" = "$LINE" ]
+		then
+			echo "$LINE"
+		else
+			echo "\$(MODULE)-objs += ${OBJPATH##*/}"
+		fi
+	done < "$FILE" > "$FILE.new"
+	mv "$FILE.new" "$FILE"
+}
+
+for MODULE in "${MODULES[@]}"
+do
+	adjust_obj_paths "$KERNEL_DIR/spl/$MODULE/Makefile"
+done
+
+cat > "$KERNEL_DIR/spl/Kconfig" <<"EOF"
+config SPL
+	tristate "Solaris Porting Layer (SPL)"
+	help
+	  This is the SPL library from the ZFS On Linux project.
+
+	  See http://zfsonlinux.org/
+
+	  To compile this library as a module, choose M here.
+
+	  If unsure, say N.
+EOF
+
+{
+	cat <<-"EOF"
+	SPL_MODULE_CFLAGS  = -I$(srctree)/include/spl
+	SPL_MODULE_CFLAGS += -include $(srctree)/spl_config.h
+	export SPL_MODULE_CFLAGS
+
+	obj-$(CONFIG_SPL) :=
+	EOF
+
+	for MODULE in "${MODULES[@]}"
+	do
+		echo 'obj-$(CONFIG_SPL) += ' "$MODULE/"
+	done
+} > "$KERNEL_DIR/spl/Kbuild"
+
+add_after()
+{
+	local FILE="$1"
+	local MARKER="$2"
+	local NEW="$3"
+	local LINE
+
+	while IFS='' read -r LINE
+	do
+		echo "$LINE"
+
+		if [ -n "$MARKER" -a "$LINE" = "$MARKER" ]
+		then
+			echo "$NEW"
+			MARKER=''
+			if IFS='' read -r LINE
+			then
+				[ "$LINE" != "$NEW" ] && echo "$LINE"
+			fi
+		fi
+	done < "$FILE" > "$FILE.new"
+
+	mv "$FILE.new" "$FILE"
+}
+
+add_after "$KERNEL_DIR/Kconfig" 'source "arch/$SRCARCH/Kconfig"' 'source "spl/Kconfig"'
+# We must take care to build SPL before ZFS, else module initialization order will be wrong
+sed -i 's#kernel/ mm/ fs/#kernel/ mm/ spl/ fs/#' "$KERNEL_DIR/Makefile"
+
+echo >&2
+echo "    $0: done." >&2
+echo "    $0: now you can build the kernel with SPL support." >&2
+echo "    $0: make sure you enable SPL support (CONFIG_SPL) before building." >&2
+echo >&2
+
diff --git a/module/Makefile.in b/module/Makefile.in
index 0a7fd02a3a..d291951f85 100644
--- a/module/Makefile.in
+++ b/module/Makefile.in
@@ -3,8 +3,12 @@ subdir-m += splat
 
 INSTALL=/usr/bin/install
 
+SPL_MODULE_CFLAGS  = -I@abs_top_srcdir@/include
+SPL_MODULE_CFLAGS += -include @abs_top_builddir@/spl_config.h
+export SPL_MODULE_CFLAGS
+
 modules:
-	$(MAKE) -C @LINUX_OBJ@ SUBDIRS=`pwd` @KERNELMAKE_PARAMS@ $@
+	$(MAKE) -C @LINUX_OBJ@ SUBDIRS=`pwd` @KERNELMAKE_PARAMS@ CONFIG_SPL=m $@
 
 clean:
 	@# Only cleanup the kernel build directories when CONFIG_KERNEL
diff --git a/module/spl/Makefile.in b/module/spl/Makefile.in
index 4f54f124f5..34b480127e 100644
--- a/module/spl/Makefile.in
+++ b/module/spl/Makefile.in
@@ -1,29 +1,27 @@
 # Makefile.in for spl kernel module
 
-MODULES := spl
-EXTRA_CFLAGS  = @KERNELCPPFLAGS@
-EXTRA_CFLAGS += -I@abs_top_srcdir@/include
-EXTRA_CFLAGS += -include @abs_top_builddir@/spl_config.h
+MODULE := spl
+EXTRA_CFLAGS = $(SPL_MODULE_CFLAGS) @KERNELCPPFLAGS@
 
 # Solaris porting layer module
-obj-m := spl.o
+obj-$(CONFIG_SPL) := $(MODULE).o
 
-spl-objs += @top_srcdir@/module/spl/spl-debug.o
-spl-objs += @top_srcdir@/module/spl/spl-proc.o
-spl-objs += @top_srcdir@/module/spl/spl-kmem.o
-spl-objs += @top_srcdir@/module/spl/spl-thread.o
-spl-objs += @top_srcdir@/module/spl/spl-taskq.o
-spl-objs += @top_srcdir@/module/spl/spl-rwlock.o
-spl-objs += @top_srcdir@/module/spl/spl-vnode.o
-spl-objs += @top_srcdir@/module/spl/spl-err.o
-spl-objs += @top_srcdir@/module/spl/spl-time.o
-spl-objs += @top_srcdir@/module/spl/spl-kobj.o
-spl-objs += @top_srcdir@/module/spl/spl-generic.o
-spl-objs += @top_srcdir@/module/spl/spl-atomic.o
-spl-objs += @top_srcdir@/module/spl/spl-mutex.o
-spl-objs += @top_srcdir@/module/spl/spl-kstat.o
-spl-objs += @top_srcdir@/module/spl/spl-condvar.o
-spl-objs += @top_srcdir@/module/spl/spl-xdr.o
-spl-objs += @top_srcdir@/module/spl/spl-cred.o
-spl-objs += @top_srcdir@/module/spl/spl-tsd.o
-spl-objs += @top_srcdir@/module/spl/spl-zlib.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-debug.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-proc.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-kmem.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-thread.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-taskq.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-rwlock.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-vnode.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-err.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-time.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-kobj.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-generic.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-atomic.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-mutex.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-kstat.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-condvar.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-xdr.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-cred.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-tsd.o
+$(MODULE)-objs += @top_srcdir@/module/spl/spl-zlib.o
diff --git a/module/spl/spl-generic.c b/module/spl/spl-generic.c
index 13f4267336..cc2766452d 100644
--- a/module/spl/spl-generic.c
+++ b/module/spl/spl-generic.c
@@ -546,11 +546,29 @@ hostid_exec(void)
 uint32_t
 zone_get_hostid(void *zone)
 {
+	static int first = 1;
 	unsigned long hostid;
+	int rc;
 
 	/* Only the global zone is supported */
 	ASSERT(zone == NULL);
 
+	if (first) {
+		first = 0;
+
+		/*
+		 * Get the hostid if it was not passed as a module parameter.
+		 * Try reading the /etc/hostid file directly, and then fall
+		 * back to calling the /usr/bin/hostid utility.
+		 */
+		if ((spl_hostid == HW_INVALID_HOSTID) &&
+		    (rc = hostid_read()) && (rc = hostid_exec()))
+			return HW_INVALID_HOSTID;
+
+		printk(KERN_NOTICE "SPL: using hostid 0x%08x\n",
+			(unsigned int) spl_hostid);
+	}
+
 	if (ddi_strtoul(hw_serial, NULL, HW_HOSTID_LEN-1, &hostid) != 0)
 		return HW_INVALID_HOSTID;
 
@@ -632,16 +650,6 @@ __init spl_init(void)
 	if ((rc = spl_zlib_init()))
 		SGOTO(out9, rc);
 
-	/*
-	 * Get the hostid if it was not passed as a module parameter. Try
-	 * reading the /etc/hostid file directly, and then fall back to calling
-	 * the /usr/bin/hostid utility.
-	 */
-
-	if (spl_hostid == HW_INVALID_HOSTID
-	  && (rc = hostid_read()) && (rc = hostid_exec()))
-		SGOTO(out10, rc = -EADDRNOTAVAIL);
-
 #ifndef HAVE_KALLSYMS_LOOKUP_NAME
 	if ((rc = set_kallsyms_lookup_name()))
 		SGOTO(out10, rc = -EADDRNOTAVAIL);
@@ -653,9 +661,8 @@ __init spl_init(void)
 	if ((rc = spl_vn_init_kallsyms_lookup()))
 		SGOTO(out10, rc);
 
-	printk(KERN_NOTICE "SPL: Loaded module v%s-%s%s, using hostid "
-	       "0x%08x\n", SPL_META_VERSION, SPL_META_RELEASE, SPL_DEBUG_STR,
-	       (unsigned int) spl_hostid);
+	printk(KERN_NOTICE "SPL: Loaded module v%s-%s%s\n", SPL_META_VERSION,
+	       SPL_META_RELEASE, SPL_DEBUG_STR);
 	SRETURN(rc);
 out10:
 	spl_zlib_fini();
diff --git a/module/spl/spl-mutex.c b/module/spl/spl-mutex.c
index 983245dc0b..d452681b13 100644
--- a/module/spl/spl-mutex.c
+++ b/module/spl/spl-mutex.c
@@ -51,7 +51,7 @@
  * unavailable we provide a standard mutex.
  */
 
-#ifndef HAVE_MUTEX_OWNER
+#if !defined(HAVE_MUTEX_OWNER) || !defined(CONFIG_SMP) || defined(CONFIG_DEBUG_MUTEXES)
 #ifdef HAVE_TASK_CURR
 /*
  * mutex_spin_max = { 0, -1, 1-MAX_INT }
diff --git a/module/splat/Makefile.in b/module/splat/Makefile.in
index 8340b7036f..f4065196b6 100644
--- a/module/splat/Makefile.in
+++ b/module/splat/Makefile.in
@@ -1,27 +1,25 @@
 # Makefile.in for splat kernel module
 
-MODULES := splat
-EXTRA_CFLAGS = @KERNELCPPFLAGS@
-EXTRA_CFLAGS += -I@abs_top_srcdir@/include
-EXTRA_CFLAGS += -include @abs_top_builddir@/spl_config.h
+MODULE := splat
+EXTRA_CFLAGS = $(SPL_MODULE_CFLAGS) @KERNELCPPFLAGS@
 
 # Solaris Porting LAyer Tests
-obj-m := splat.o
+obj-$(CONFIG_SPL) := $(MODULE).o
 
-splat-objs += @top_srcdir@/module/splat/splat-ctl.o
-splat-objs += @top_srcdir@/module/splat/splat-kmem.o
-splat-objs += @top_srcdir@/module/splat/splat-taskq.o
-splat-objs += @top_srcdir@/module/splat/splat-random.o
-splat-objs += @top_srcdir@/module/splat/splat-mutex.o
-splat-objs += @top_srcdir@/module/splat/splat-condvar.o
-splat-objs += @top_srcdir@/module/splat/splat-thread.o
-splat-objs += @top_srcdir@/module/splat/splat-rwlock.o
-splat-objs += @top_srcdir@/module/splat/splat-time.o
-splat-objs += @top_srcdir@/module/splat/splat-vnode.o
-splat-objs += @top_srcdir@/module/splat/splat-kobj.o
-splat-objs += @top_srcdir@/module/splat/splat-atomic.o
-splat-objs += @top_srcdir@/module/splat/splat-list.o
-splat-objs += @top_srcdir@/module/splat/splat-generic.o
-splat-objs += @top_srcdir@/module/splat/splat-cred.o
-splat-objs += @top_srcdir@/module/splat/splat-zlib.o
-splat-objs += @top_srcdir@/module/splat/splat-linux.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-ctl.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-kmem.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-taskq.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-random.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-mutex.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-condvar.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-thread.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-rwlock.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-time.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-vnode.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-kobj.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-atomic.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-list.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-generic.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-cred.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-zlib.o
+$(MODULE)-objs += @top_srcdir@/module/splat/splat-linux.o
diff --git a/spl_config.h.in b/spl_config.h.in
index 1b4a129b2e..4ee1b33535 100644
--- a/spl_config.h.in
+++ b/spl_config.h.in
@@ -210,7 +210,7 @@
 /* Define to 1 if you have the <sys/types.h> header file. */
 #undef HAVE_SYS_TYPES_H
 
-/* task_curr() exported */
+/* task_curr() is available */
 #undef HAVE_TASK_CURR
 
 /* timespec_sub() is available */