diff --git a/[refs] b/[refs]
index 7c9dfbefa1e3..a9d78ba26036 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 554ec22f075d46e4363520a407d2b7eeb5dfdd43
+refs/heads/master: 81d41d7ece23a1c3b4bcd1604026d3a06cc4dc79
diff --git a/trunk/kernel/sched.c b/trunk/kernel/sched.c
index 02a5eeedcb94..f3faec52c5ab 100644
--- a/trunk/kernel/sched.c
+++ b/trunk/kernel/sched.c
@@ -1130,6 +1130,7 @@ static enum hrtimer_restart hrtick(struct hrtimer *timer)
 	return HRTIMER_NORESTART;
 }
 
+#ifdef CONFIG_SMP
 static void hotplug_hrtick_disable(int cpu)
 {
 	struct rq *rq = cpu_rq(cpu);
@@ -1185,6 +1186,7 @@ static void init_hrtick(void)
 {
 	hotcpu_notifier(hotplug_hrtick, 0);
 }
+#endif /* CONFIG_SMP */
 
 static void init_rq_hrtick(struct rq *rq)
 {