diff --git a/[refs] b/[refs]
index 9fb733216101..ffc82ad75361 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2d7d3eb2bad116e0d1b3b3930a923c55f6d0f70e
+refs/heads/master: 22d5368a0838c00ed0e3ec20e7ff8c6e46ba99ef
diff --git a/trunk/mm/thrash.c b/trunk/mm/thrash.c
index e53f7d02c17c..57ad495dbd54 100644
--- a/trunk/mm/thrash.c
+++ b/trunk/mm/thrash.c
@@ -29,7 +29,7 @@
 
 static DEFINE_SPINLOCK(swap_token_lock);
 struct mm_struct *swap_token_mm;
-struct mem_cgroup *swap_token_memcg;
+static struct mem_cgroup *swap_token_memcg;
 
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR
 static struct mem_cgroup *swap_token_memcg_from_mm(struct mm_struct *mm)