X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=mm%2Foom_kill.c;h=171c00f2e49585e2ef65af7b4b67263857c04892;hb=817740f471fbf95f9024659336d8dbf260b345b9;hp=3291e82d4352423cb1cd747eaa589da4b8a07a74;hpb=94956df9f7bb872d2fef673f6d0903d9c6d1590c;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 3291e82..171c00f 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -406,6 +406,23 @@ static void dump_header(struct task_struct *p, gfp_t gfp_mask, int order,
 		dump_tasks(memcg, nodemask);
 }
 
+/*
+ * Number of OOM killer invocations (including memcg OOM killer).
+ * Primarily used by PM freezer to check for potential races with
+ * OOM killed frozen task.
+ */
+static atomic_t oom_kills = ATOMIC_INIT(0);
+
+int oom_kills_count(void)
+{
+	return atomic_read(&oom_kills);
+}
+
+void note_oom_kill(void)
+{
+	atomic_inc(&oom_kills);
+}
+
 #define K(x) ((x) << (PAGE_SHIFT-10))
 /*
  * Must be called while holding a reference to p, which will be released upon