diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index 5374cb8..08bf8e0 100644
--- a/include/asm-arm/io.h
+++ b/include/asm-arm/io.h
@@ -23,6 +23,7 @@
 #ifdef __KERNEL__
 
 #include <linux/types.h>
+#include <linux/compiler.h>
 #include <asm/byteorder.h>
 #include <asm/memory.h>