diff --git a/arch/c6x/include/asm/setup.h b/arch/c6x/include/asm/setup.h
index 696804475f551034c48a81ca1e81b8c9d355d55a..852afb209afbc2505d0bb7c6b6e39819297b646e 100644
--- a/arch/c6x/include/asm/setup.h
+++ b/arch/c6x/include/asm/setup.h
@@ -12,6 +12,7 @@
 #define _ASM_C6X_SETUP_H
 
 #include <uapi/asm/setup.h>
+#include <linux/types.h>
 
 #ifndef __ASSEMBLY__
 extern int c6x_add_memory(phys_addr_t start, unsigned long size);