mm: oom_kill: remove unnecessary locking in oom_enable()

[firefly-linux-kernel-4.4.55.git] / mm / oom_kill.c

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 2b665da1b3c92070de5e9d8ee6864d843847115c..73763e489e86b24cfc2a51ef7b142fffccdffc6d 100644 (file)
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -488,9 +488,7 @@ bool oom_killer_disable(void)
  */
 void oom_killer_enable(void)
 {
-       down_write(&oom_sem);
        oom_killer_disabled = false;
-       up_write(&oom_sem);
 }
 
 #define K(x) ((x) << (PAGE_SHIFT-10))