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authorKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>2009-01-07 18:08:09 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-08 08:31:06 -0800
commit887007561ae58628f03aa9046949747c04f63be8 (patch)
tree2cc7e5b3028070303121457bc63dd155df2158b4 /mm/memcontrol.c
parenta636b327f731143ccc544b966cfd8de6cb6d72c6 (diff)
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memcg: fix reclaim result checks
check_under_limit logic was wrong and this check should be against mem_over_limit rather than mem. Reported-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Cc: Badari Pulavarty <pbadari@us.ibm.com> Cc: Jan Blunck <jblunck@suse.de> Cc: Hirokazu Takahashi <taka@valinux.co.jp> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 659b0c58f13e..9bf5d7c8ede7 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -709,17 +709,17 @@ static int __mem_cgroup_try_charge(struct mm_struct *mm,
* current usage of the cgroup before giving up
*
*/
- if (!do_swap_account &&
- res_counter_check_under_limit(&mem->res))
- continue;
- if (do_swap_account &&
- res_counter_check_under_limit(&mem->memsw))
- continue;
+ if (do_swap_account) {
+ if (res_counter_check_under_limit(&mem_over_limit->res) &&
+ res_counter_check_under_limit(&mem_over_limit->memsw))
+ continue;
+ } else if (res_counter_check_under_limit(&mem_over_limit->res))
+ continue;
if (!nr_retries--) {
if (oom) {
- mem_cgroup_out_of_memory(mem, gfp_mask);
- mem->last_oom_jiffies = jiffies;
+ mem_cgroup_out_of_memory(mem_over_limit, gfp_mask);
+ mem_over_limit->last_oom_jiffies = jiffies;
}
goto nomem;
}