diff --git a/kernel/notifier.c b/kernel/notifier.c
index 4253f472f06..643360d1bb1 100644
--- a/kernel/notifier.c
+++ b/kernel/notifier.c
@@ -4,6 +4,7 @@
 #include <linux/notifier.h>
 #include <linux/rcupdate.h>
 #include <linux/vmalloc.h>
+#include <linux/reboot.h>
 
 /*
  *	Notifier list for kernel code which wants to be called