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Johannes Weiner 759496ba64 arch: mm: pass userspace fault flag to generic fault handler 
Unlike global OOM handling, memory cgroup code will invoke the OOM killer
in any OOM situation because it has no way of telling faults occuring in
kernel context - which could be handled more gracefully - from
user-triggered faults.

Pass a flag that identifies faults originating in user space from the
architecture-specific fault handlers to generic code so that memcg OOM
handling can be improved.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Cc: David Rientjes <rientjes@google.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: azurIt <azurit@pobox.sk>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-12 15:38:01 -07:00
..
configs tile: refresh tile defconfig files 2013-09-06 13:06:30 -04:00
gxio Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2013-09-06 11:14:33 -07:00
include Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2013-09-06 11:14:33 -07:00
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2013-09-06 11:14:33 -07:00
kvm arch/tile/kvm: remove depends on CONFIG_EXPERIMENTAL 2013-01-17 12:11:26 -08:00
lib tile: rework <asm/cmpxchg.h> 2013-09-06 13:06:25 -04:00
mm arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
Kbuild
Kconfig ARM: SoC platform changes for 3.12 2013-09-06 13:30:06 -07:00
Kconfig.debug tile: remove DEBUG_EXTRA_FLAGS kernel config option 2013-09-03 14:52:17 -04:00
Makefile tile: remove DEBUG_EXTRA_FLAGS kernel config option 2013-09-03 14:52:17 -04:00