diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 9b2325a4d53c..16a571dea2ef 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -14,6 +14,7 @@
 #include <linux/uaccess.h>
 #include <linux/ftrace.h>
 #include <linux/percpu.h>
+#include <linux/sched.h>
 #include <linux/init.h>
 #include <linux/list.h>