diff --git a/include/linux/timer.h b/include/linux/timer.h
index 719113b..e0c5c16 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -37,6 +37,7 @@
 		TIMER_INITIALIZER(_function, _expires, _data)
 
 void fastcall init_timer(struct timer_list * timer);
+void fastcall init_timer_deferrable(struct timer_list *timer);
 
 static inline void setup_timer(struct timer_list * timer,
 				void (*function)(unsigned long),