diff --git a/include/linux/smp.h b/include/linux/smp.h
index 48159dd320d0386d2b6a9efaea57cce724749dec..74243c86ba39fd475c3188083f95d0f367133498 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -10,6 +10,7 @@
 #include <linux/types.h>
 #include <linux/list.h>
 #include <linux/cpumask.h>
+#include <linux/init.h>
 
 extern void cpu_idle(void);