diff options
| author | Johannes Weiner <hannes@cmpxchg.org> | 2015-06-24 16:57:10 -0700 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2019-07-08 13:36:44 +0200 |
| commit | e611f16275c3642cb8a6345ff2470926fef52110 (patch) | |
| tree | 65cfc021088ae59f8fdcfb5e0d32f079f550e3e8 | |
| parent | c6fada01b9370e3d7603b4ad8c26b56759174667 (diff) | |
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.
Change-Id: Ic87613e60502357339905068c9a7b6d69ba0008f
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>
| -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 e91130a55..e88cc8f4c 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -451,8 +451,7 @@ 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); /* |