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authorJohannes Weiner <hannes@cmpxchg.org>2011-03-23 16:42:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-23 19:46:23 -0700
commitb7c6167848fa36e32f1874b95c1edc02881cd040 (patch)
treed160acb871f2be4e0e7095c662b647e12a199dac /mm
parent56039efa18f2530fc23e8ef19e716b65ee2a1d1e (diff)
downloadop-kernel-dev-b7c6167848fa36e32f1874b95c1edc02881cd040.zip
op-kernel-dev-b7c6167848fa36e32f1874b95c1edc02881cd040.tar.gz
memcg: soft limit reclaim should end at limit not below
Soft limit reclaim continues until the usage is below the current soft limit, but the documented semantics are actually that soft limit reclaim will push usage back until the soft limits are met again. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com> Cc: Minchan Kim <minchan.kim@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/memcontrol.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index b56bd74..13de53f 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1477,7 +1477,7 @@ static int mem_cgroup_hierarchical_reclaim(struct mem_cgroup *root_mem,
return ret;
total += ret;
if (check_soft) {
- if (res_counter_check_under_soft_limit(&root_mem->res))
+ if (res_counter_check_within_soft_limit(&root_mem->res))
return total;
} else if (mem_cgroup_check_under_limit(root_mem))
return 1 + total;
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