Commit 46402778 authored by Johannes Weiner's avatar Johannes Weiner Committed by Linus Torvalds

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: default avatarJohannes Weiner <hannes@cmpxchg.org>
Acked-by: default avatarDavid Rientjes <rientjes@google.com>
Acked-by: default avatarMichal 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 16e95196
...@@ -435,8 +435,7 @@ void mark_oom_victim(struct task_struct *tsk) ...@@ -435,8 +435,7 @@ void mark_oom_victim(struct task_struct *tsk)
*/ */
void exit_oom_victim(void) void exit_oom_victim(void)
{ {
if (!test_and_clear_thread_flag(TIF_MEMDIE)) clear_thread_flag(TIF_MEMDIE);
return;
down_read(&oom_sem); down_read(&oom_sem);
/* /*
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment