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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
..
alpha arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
arc arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
arm arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
arm64 arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
avr32 arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
blackfin Merge branch 'cpuinit_phase2' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2013-07-18 10:50:26 -07:00
c6x of: consolidate definition of early_init_dt_alloc_memory_arch() 2013-08-28 21:18:32 +01:00
cris arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
frv arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
h8300 net: rename busy poll socket op and globals 2013-07-10 17:08:27 -07:00
hexagon arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
ia64 arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
m32r arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
m68k arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
metag arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
microblaze arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
mips arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
mn10300 arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
openrisc arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
parisc arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
powerpc arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
s390 arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
score arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
sh arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
sparc arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
tile arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
um arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
unicore32 arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
x86 arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
xtensa arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
.gitignore
Kconfig microblaze: fix clone syscall 2013-08-13 17:57:48 -07:00