Commit 8e0ed445 authored by Michal Hocko's avatar Michal Hocko Committed by Linus Torvalds

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: default avatarMichal Hocko <mhocko@suse.cz>
Reported-by: default avatarTejun 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: default avatarTejun Heo <tj@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 22f2020f
...@@ -246,7 +246,7 @@ void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, ...@@ -246,7 +246,7 @@ void vmpressure(gfp_t gfp, struct mem_cgroup *memcg,
scanned = vmpr->scanned; scanned = vmpr->scanned;
spin_unlock(&vmpr->sr_lock); spin_unlock(&vmpr->sr_lock);
if (scanned < vmpressure_win || work_pending(&vmpr->work)) if (scanned < vmpressure_win)
return; return;
schedule_work(&vmpr->work); schedule_work(&vmpr->work);
} }
......
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