Messages in this thread Patch in this message | | | From | Johannes Weiner <> | Subject | [PATCH 3/9] mm: oom_kill: switch test-and-clear of known TIF_MEMDIE to clear | Date | Mon, 27 Apr 2015 15:05:49 -0400 |
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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> --- mm/oom_kill.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/mm/oom_kill.c b/mm/oom_kill.c index b2f081f..4b9547b 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); /* -- 2.3.4
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