diff --git a/[refs] b/[refs]
index 62403659d9e5..fedfd15bcf4a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7e9abd89cbdf9b73d327d8173343abce9022609b
+refs/heads/master: f2992db2a4f7ae10f61d5bc68c7c1528cec639e2
diff --git a/trunk/include/linux/res_counter.h b/trunk/include/linux/res_counter.h
index 6d9e1fca098c..125660e7793f 100644
--- a/trunk/include/linux/res_counter.h
+++ b/trunk/include/linux/res_counter.h
@@ -95,8 +95,10 @@ void res_counter_init(struct res_counter *counter);
  * counter->limit _locked call expects the counter->lock to be taken
  */
 
-int res_counter_charge_locked(struct res_counter *counter, unsigned long val);
-int res_counter_charge(struct res_counter *counter, unsigned long val);
+int __must_check res_counter_charge_locked(struct res_counter *counter,
+		unsigned long val);
+int __must_check res_counter_charge(struct res_counter *counter,
+		unsigned long val);
 
 /*
  * uncharge - tell that some portion of the resource is released