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authorJohannes Weiner <hannes@cmpxchg.org>2013-07-03 15:04:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-03 16:07:40 -0700
commit519ebea3bf6df45439e79c54bda1d9e29fe13a64 (patch)
tree74b52e13824051420a9901499de093c347338471 /arch/frv
parent0f2d4a8e27108ad3b2555396b06392be590fe287 (diff)
downloadlinux-519ebea3bf6df45439e79c54bda1d9e29fe13a64.tar.bz2
mm: memcontrol: factor out reclaim iterator loading and updating
mem_cgroup_iter() is too hard to follow. Factor out the lockless reclaim iterator loading and updating so it's easier to follow the big picture. Also document the iterator invalidation mechanism a bit more extensively. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Reported-by: Tejun Heo <tj@kernel.org> Reviewed-by: Tejun Heo <tj@kernel.org> Acked-by: Michal Hocko <mhocko@suse.cz> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Glauber Costa <glommer@parallels.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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