diff options
| author | Michal Hocko <mhocko@suse.cz> | 2013-07-31 13:53:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-31 14:41:04 -0700 |
| commit | 8e0ed445b3478468372449859c45c6b3032acf2f (patch) | |
| tree | 05242d07fa7afbb91a53c137f1fbbc6686dc50ad /mm/vmpressure.c | |
| parent | 22f2020f84c6da2dd0acb2dce12e39e59ff7c8be (diff) | |
| download | lwn-8e0ed445b3478468372449859c45c6b3032acf2f.tar.gz lwn-8e0ed445b3478468372449859c45c6b3032acf2f.zip | |
vmpressure: do not check for pending work to prevent from new work
because it is racy and it doesn't give us much anyway as schedule_work
handles this case already.
Signed-off-by: Michal Hocko <mhocko@suse.cz>
Reported-by: Tejun Heo <tj@kernel.org>
Cc: Anton Vorontsov <anton.vorontsov@linaro.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Li Zefan <lizefan@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmpressure.c')
| -rw-r--r-- | mm/vmpressure.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/vmpressure.c b/mm/vmpressure.c index f4ee6a190a4d..192f9731931d 100644 --- a/mm/vmpressure.c +++ b/mm/vmpressure.c @@ -246,7 +246,7 @@ void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, scanned = vmpr->scanned; spin_unlock(&vmpr->sr_lock); - if (scanned < vmpressure_win || work_pending(&vmpr->work)) + if (scanned < vmpressure_win) return; schedule_work(&vmpr->work); } |