diff --git a/kernel/timer.c b/kernel/timer.c
index cffffad01c31c..e2c47b82ac361 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -756,6 +756,7 @@ void add_timer_on(struct timer_list *timer, int cpu)
 	wake_up_idle_cpu(cpu);
 	spin_unlock_irqrestore(&base->lock, flags);
 }
+EXPORT_SYMBOL_GPL(add_timer_on);
 
 /**
  * del_timer - deactive a timer.