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Brian Behlendorf cb255ae572 Remove default GFP_NOFS allocations 
As originally described in commit 82b8c8fa64
this was done to prevent certain deadlocks from occuring in the system.
However, as suspected the price for doing this proved to be too high.
The VM is having a hard time effectively reclaiming memory thus we are
reverting this change.

However, we still need to fundamentally handle the issue.  Under
Solaris the KM_PUSHPAGE mask is used commonly in I/O paths to ensure
a memory allocations will succeed.  We leverage this fact and redefine
KM_PUSHPAGE to include GFP_NOFS.  This ensures that in these common
I/O path we don't trigger additional reclaim.  This minimizes the
change to the Solaris code.
 		2011-03-19 14:50:39 -07:00
..
fm Public Release Prep 2010-05-17 15:18:00 -07:00
fs Public Release Prep 2010-05-17 15:18:00 -07:00
sysevent Public Release Prep 2010-05-17 15:18:00 -07:00
Makefile.in Build system and packaging (RPM support) 2009-03-09 15:56:55 -07:00
acl.h Add VSA_ACE_* and MAX_ACL_ENTRIES defines 2011-01-27 16:06:09 -08:00
acl_impl.h Public Release Prep 2010-05-17 15:18:00 -07:00
atomic.h atomic_*_*_nv() functions need to return the new value atomically. 2010-09-17 16:03:25 -07:00
attr.h Public Release Prep 2010-05-17 15:18:00 -07:00
bitmap.h Public Release Prep 2010-05-17 15:18:00 -07:00
bootconf.h Public Release Prep 2010-05-17 15:18:00 -07:00
bootprops.h Stub out additional missing headers 2010-06-11 15:57:25 -07:00
buf.h Public Release Prep 2010-05-17 15:18:00 -07:00
byteorder.h Public Release Prep 2010-05-17 15:18:00 -07:00
callb.h Public Release Prep 2010-05-17 15:18:00 -07:00
cmn_err.h Public Release Prep 2010-05-17 15:18:00 -07:00
compress.h Public Release Prep 2010-05-17 15:18:00 -07:00
condvar.h Block in cv_destroy() on all waiters 2011-02-04 14:09:08 -08:00
conf.h Public Release Prep 2010-05-17 15:18:00 -07:00
console.h Public Release Prep 2010-05-17 15:18:00 -07:00
cpupart.h Stub out additional missing headers 2010-06-11 15:57:25 -07:00
cpuvar.h Public Release Prep 2010-05-17 15:18:00 -07:00
crc32.h Public Release Prep 2010-05-17 15:18:00 -07:00
cred.h Public Release Prep 2010-05-17 15:18:00 -07:00
ctype.h Public Release Prep 2010-05-17 15:18:00 -07:00
ddi.h Public Release Prep 2010-05-17 15:18:00 -07:00
debug.h Display DEBUG keyword during module load when --enable-debug is used. 2010-07-20 15:31:03 -07:00
dirent.h Public Release Prep 2010-05-17 15:18:00 -07:00
disp.h Public Release Prep 2010-05-17 15:18:00 -07:00
dkio.h Public Release Prep 2010-05-17 15:18:00 -07:00
dklabel.h Public Release Prep 2010-05-17 15:18:00 -07:00
dnlc.h Public Release Prep 2010-05-17 15:18:00 -07:00
dumphdr.h Public Release Prep 2010-05-17 15:18:00 -07:00
efi_partition.h Public Release Prep 2010-05-17 15:18:00 -07:00
errno.h Public Release Prep 2010-05-17 15:18:00 -07:00
extdirent.h Add missing headers 2011-01-27 16:06:09 -08:00
fcntl.h Use Linux flock struct 2011-02-23 14:32:15 -08:00
file.h Add FIGNORECASE define 2011-01-27 16:06:09 -08:00
idmap.h Add missing headers 2011-01-27 16:06:09 -08:00
int_limits.h Public Release Prep 2010-05-17 15:18:00 -07:00
int_types.h Public Release Prep 2010-05-17 15:18:00 -07:00
inttypes.h Public Release Prep 2010-05-17 15:18:00 -07:00
isa_defs.h Public Release Prep 2010-05-17 15:18:00 -07:00
kidmap.h Add missing headers 2011-01-27 16:06:09 -08:00
kmem.h Remove default GFP_NOFS allocations 2011-03-19 14:50:39 -07:00
kobj.h Public Release Prep 2010-05-17 15:18:00 -07:00
kstat.h Cleanly split Linux proc.h (fs) from conflicting Solaris proc.h (process) 2010-06-11 15:57:25 -07:00
list.h Add list_link_replace() function 2010-08-27 14:23:48 -07:00
mkdev.h Public Release Prep 2010-05-17 15:18:00 -07:00
mntent.h Public Release Prep 2010-05-17 15:18:00 -07:00
modctl.h Public Release Prep 2010-05-17 15:18:00 -07:00
mode.h Add vn_mode_to_vtype/vn_vtype to_mode helpers 2011-01-12 11:38:04 -08:00
mount.h Public Release Prep 2010-05-17 15:18:00 -07:00
mutex.h Make kmutex_t typesafe in all cases. 2010-11-29 11:25:32 -08:00
note.h Public Release Prep 2010-05-17 15:18:00 -07:00
open.h Public Release Prep 2010-05-17 15:18:00 -07:00
param.h Add MAXUID define 2011-01-27 16:06:09 -08:00
pathname.h Public Release Prep 2010-05-17 15:18:00 -07:00
policy.h Minor policy interface 2011-01-27 16:06:09 -08:00
pool.h Stub out additional missing headers 2010-06-11 15:57:25 -07:00
priv_impl.h Stub out additional missing headers 2010-06-11 15:57:25 -07:00
proc.h Cleanly split Linux proc.h (fs) from conflicting Solaris proc.h (process) 2010-06-11 15:57:25 -07:00
processor.h Public Release Prep 2010-05-17 15:18:00 -07:00
pset.h Stub out additional missing headers 2010-06-11 15:57:25 -07:00
random.h Public Release Prep 2010-05-17 15:18:00 -07:00
refstr.h Public Release Prep 2010-05-17 15:18:00 -07:00
resource.h Public Release Prep 2010-05-17 15:18:00 -07:00
rwlock.h Correctly handle rwsem_is_locked() behavior 2010-08-10 16:43:00 -07:00
sdt.h Public Release Prep 2010-05-17 15:18:00 -07:00
sid.h Add ksid_index_t and ksid_t types 2011-01-27 16:06:09 -08:00
signal.h Split <sys/debug.h> header 2010-07-20 13:29:35 -07:00
stat.h Public Release Prep 2010-05-17 15:18:00 -07:00
stropts.h Public Release Prep 2010-05-17 15:18:00 -07:00
sunddi.h Split <sys/debug.h> header 2010-07-20 13:29:35 -07:00
sunldi.h Public Release Prep 2010-05-17 15:18:00 -07:00
sysdc.h Stub out additional missing headers 2010-06-11 15:57:25 -07:00
sysevent.h Public Release Prep 2010-05-17 15:18:00 -07:00
sysmacros.h Give ENOTSUP a valid user space error value 2010-11-10 13:25:49 -08:00
systeminfo.h Public Release Prep 2010-05-17 15:18:00 -07:00
systm.h Public Release Prep 2010-05-17 15:18:00 -07:00
t_lock.h Public Release Prep 2010-05-17 15:18:00 -07:00
taskq.h Implementation of the TQ_FRONT flag. 2010-07-01 10:59:38 -07:00
thread.h Add Thread Specific Data (TSD) Implementation 2010-12-07 10:02:32 -08:00
time.h Add TIMESPEC_OVERFLOW helper 2011-03-02 11:34:43 -08:00
timer.h Minor cleanup and Solaris API additions. 2010-06-11 15:57:25 -07:00
tsd.h Add Thread Specific Data (TSD) Implementation 2010-12-07 10:02:32 -08:00
types.h Add __divdi3(), remove __udivdi3() kernel dependency 2010-07-13 16:44:02 -07:00
types32.h Public Release Prep 2010-05-17 15:18:00 -07:00
u8_textprep.h Public Release Prep 2010-05-17 15:18:00 -07:00
uio.h Add xuio_* structures and typedefs. 2010-06-11 15:57:25 -07:00
unistd.h Public Release Prep 2010-05-17 15:18:00 -07:00
utsname.h Public Release Prep 2010-05-17 15:18:00 -07:00
va_list.h Public Release Prep 2010-05-17 15:18:00 -07:00
varargs.h Public Release Prep 2010-05-17 15:18:00 -07:00
vfs.h Linux 2.6.31 compat, include linux/seq_file.h 2011-03-07 13:52:00 -08:00
vfs_opreg.h Public Release Prep 2010-05-17 15:18:00 -07:00
vmsystm.h Public Release Prep 2010-05-17 15:18:00 -07:00
vnode.h Remove xvattr support 2011-03-02 11:34:46 -08:00
zmod.h Fix zlib compression 2011-02-25 16:56:22 -08:00
zone.h Public Release Prep 2010-05-17 15:18:00 -07:00