X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=mm%2Fmemcontrol.c;h=9b35da28b5876b01dcb9a782bbf810a2f674b10f;hb=bcbfe6fdf8576a545fafdfe4611f59cc6b166589;hp=5b6b0039f725032de5d63376aa0388e49bd3192d;hpb=e1aa17c7b52c2cc1a4c20f62deadcd94ce8b632c;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 5b6b003..9b35da2 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5670,8 +5670,12 @@ static int mem_cgroup_oom_notify_cb(struct mem_cgroup *memcg)
 {
 	struct mem_cgroup_eventfd_list *ev;
 
+	spin_lock(&memcg_oom_lock);
+
 	list_for_each_entry(ev, &memcg->oom_notify, list)
 		eventfd_signal(ev->eventfd, 1);
+
+	spin_unlock(&memcg_oom_lock);
 	return 0;
 }