Setting oom_killer_disabled to false is atomic, there is no need for further synchronization with ongoing allocations trying to OOM-kill. Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> --- mm/oom_kill.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 2b665da1b3c9..73763e489e86 100644 --- 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)) -- 2.3.3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>