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linux/kernel/power
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Stanislaw Gruszka c6968e73b9 PM/Hibernate: do not count debug pages as savable 
When debugging with CONFIG_DEBUG_PAGEALLOC and debug_guardpage_minorder >
0, we have lot of free pages that are not marked so.  Snapshot code
account them as savable, what cause hibernate memory preallocation
failure.

It is pretty hard to make hibernate allocation succeed with
debug_guardpage_minorder=1.  This change at least make it possible when
system has relatively big amount of RAM.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-10 16:30:42 -08:00
..
block_io.c block: kill off REQ_UNPLUG 2011-03-10 08:52:27 +01:00
console.c PM / VT: Cleanup #if defined uglyness and fix compile error 2011-10-16 23:28:51 +02:00
hibernate.c PM / Sleep: Replace mutex_[un]lock(&pm_mutex) with [un]lock_system_sleep() 2011-12-08 23:22:29 +01:00
Kconfig Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm 2011-10-28 12:02:27 -07:00
main.c PM / Sleep: Replace mutex_[un]lock(&pm_mutex) with [un]lock_system_sleep() 2011-12-08 23:22:29 +01:00
Makefile PM / VT: Cleanup #if defined uglyness and fix compile error 2011-10-16 23:28:51 +02:00
power.h PM / Hibernate: Thaw processes in SNAPSHOT_CREATE_IMAGE ioctl test path 2011-12-06 22:07:59 +01:00
poweroff.c Input: sysrq - drop tty argument from sysrq ops handlers 2010-08-19 22:07:06 -07:00
process.c freezer: remove unused @sig_only from freeze_task() 2011-11-21 12:32:26 -08:00
qos.c PM / QoS: Set cpu_dma_pm_qos->name 2011-11-07 23:02:24 +01:00
snapshot.c PM/Hibernate: do not count debug pages as savable 2012-01-10 16:30:42 -08:00
suspend_test.c PM: Make warning in suspend_test_finish() less likely to happen 2009-10-22 08:23:45 +09:00
suspend.c PM / Sleep: Replace mutex_[un]lock(&pm_mutex) with [un]lock_system_sleep() 2011-12-08 23:22:29 +01:00
swap.c fs: move code out of buffer.c 2012-01-03 22:54:07 -05:00
user.c PM / Hibernate: Implement compat_ioctl for /dev/snapshot 2012-01-05 00:05:55 +01:00