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| author | Johannes Weiner <hannes@cmpxchg.org> | 2015-06-24 16:57:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-24 17:49:43 -0700 |
| commit | 464027785ff633468ecbb683ede14672d514b3d3 (patch) | |
| tree | 8b4666cc3d1f2e25af0ba78fa9f328fc65b7406c /mm/oom_kill.c | |
| parent | 16e951966f05da5ccd650104176f6ba289f7fa20 (diff) | |
| download | linux-464027785ff633468ecbb683ede14672d514b3d3.tar.gz linux-464027785ff633468ecbb683ede14672d514b3d3.tar.bz2 linux-464027785ff633468ecbb683ede14672d514b3d3.zip | |
mm: oom_kill: switch test-and-clear of known TIF_MEMDIE to clear
exit_oom_victim() already knows that TIF_MEMDIE is set, and nobody else
can clear it concurrently. Use clear_thread_flag() directly.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/oom_kill.c')
| -rw-r--r-- | mm/oom_kill.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c index b2f081fe4b1a..4b9547be9170 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -435,8 +435,7 @@ void mark_oom_victim(struct task_struct *tsk) */ void exit_oom_victim(void) { - if (!test_and_clear_thread_flag(TIF_MEMDIE)) - return; + clear_thread_flag(TIF_MEMDIE); down_read(&oom_sem); /* |