diff --git a/arch/m68knommu/kernel/process.c b/arch/m68knommu/kernel/process.c
index 846f97534685cfb9a529486d3a4a6d37c3f5aeee..47502d5ec19fa18873ca85fcebeae7ff42e9ed16 100644
--- a/arch/m68knommu/kernel/process.c
+++ b/arch/m68knommu/kernel/process.c
@@ -28,6 +28,7 @@
 #include <linux/a.out.h>
 #include <linux/interrupt.h>
 #include <linux/reboot.h>
+#include <linux/fs.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>