diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
index b94faa5..21dfce4 100644
--- a/arch/powerpc/include/asm/cache.h
+++ b/arch/powerpc/include/asm/cache.h
@@ -39,6 +39,8 @@
 #endif
 
 #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
+#include <linux/types.h>
+
 extern void flush_dcache_range(unsigned long start, unsigned long stop);
 extern void clean_dcache_range(unsigned long start, unsigned long stop);
 extern void invalidate_dcache_range(unsigned long start, unsigned long stop);