diff --git a/arch/sh/mm/ioremap_64.c b/arch/sh/mm/ioremap_64.c
index 95c85e2..95462a0 100644
--- a/arch/sh/mm/ioremap_64.c
+++ b/arch/sh/mm/ioremap_64.c
@@ -18,6 +18,7 @@
 #include <linux/module.h>
 #include <linux/mm.h>
 #include <linux/io.h>
+#include <linux/proc_fs.h>
 #include <asm/page.h>
 #include <asm/pgalloc.h>
 #include <asm/addrspace.h>