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Linux 6.4 compat: reclaimed_slab renamed to reclaimed 

Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Reviewed-by: Brian Atkinson <batkinson@lanl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Youzhong Yang <yyang@mathworks.com>
Closes #14891
This commit is contained in:
youzhongyang 2023-05-24 15:23:42 -04:00 committed by Tony Hutter
parent d7fb413f0f
commit 5f125e9012
4 changed files with 36 additions and 1 deletions
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26
config/kernel-reclaim_state.m4 Normal file
View File

@ -0,0 +1,26 @@
AC_DEFUN([ZFS_AC_KERNEL_SRC_RECLAIMED], [
dnl #
dnl # 6.4 API change
dnl # The reclaimed_slab of struct reclaim_state
dnl # is renamed to reclaimed
dnl #
ZFS_LINUX_TEST_SRC([reclaim_state_reclaimed], [
#include <linux/swap.h>
static const struct reclaim_state
rs __attribute__ ((unused)) = {
.reclaimed = 100,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_RECLAIMED], [
AC_MSG_CHECKING([whether struct reclaim_state has reclaimed field])
ZFS_LINUX_TEST_RESULT([reclaim_state_reclaimed], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_RECLAIM_STATE_RECLAIMED, 1,
[struct reclaim_state has reclaimed])
],[
AC_MSG_RESULT(no)
])
])

2
config/kernel.m4
View File

@ -147,6 +147,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
ZFS_AC_KERNEL_SRC___COPY_FROM_USER_INATOMIC
ZFS_AC_KERNEL_SRC_FILEMAP
ZFS_AC_KERNEL_SRC_WRITEPAGE_T
ZFS_AC_KERNEL_SRC_RECLAIMED
case "$host_cpu" in
powerpc*)
ZFS_AC_KERNEL_SRC_CPU_HAS_FEATURE
@ -273,6 +274,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
ZFS_AC_KERNEL___COPY_FROM_USER_INATOMIC
ZFS_AC_KERNEL_FILEMAP
ZFS_AC_KERNEL_WRITEPAGE_T
ZFS_AC_KERNEL_RECLAIMED
case "$host_cpu" in
powerpc*)
ZFS_AC_KERNEL_CPU_HAS_FEATURE

5
module/os/linux/spl/spl-kmem-cache.c
View File

@ -183,8 +183,11 @@ kv_free(spl_kmem_cache_t *skc, void *ptr, int size)
* of that infrastructure we are responsible for incrementing it.
*/
if (current->reclaim_state)
#ifdef HAVE_RECLAIM_STATE_RECLAIMED
current->reclaim_state->reclaimed += size >> PAGE_SHIFT;
#else
current->reclaim_state->reclaimed_slab += size >> PAGE_SHIFT;
#endif
vfree(ptr);
}

4
module/os/linux/zfs/arc_os.c
View File

@ -219,7 +219,11 @@ arc_shrinker_scan(struct shrinker *shrink, struct shrink_control *sc)
arc_reduce_target_size(ptob(sc->nr_to_scan));
arc_wait_for_eviction(ptob(sc->nr_to_scan), B_FALSE);
if (current->reclaim_state != NULL)
#ifdef HAVE_RECLAIM_STATE_RECLAIMED
current->reclaim_state->reclaimed += sc->nr_to_scan;
#else
current->reclaim_state->reclaimed_slab += sc->nr_to_scan;
#endif
/*
* We are experiencing memory pressure which the arc_evict_zthr was