[PATCH 3/9] mm: oom_kill: switch test-and-clear of known TIF_MEMDIE to clear

[Johannes Weiner]

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@xxxxxxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxx>
---
 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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