diff --git a/include/asm-generic/cmpxchg.h b/include/asm-generic/cmpxchg.h
index 8a361834dc2..14883026015 100644
--- a/include/asm-generic/cmpxchg.h
+++ b/include/asm-generic/cmpxchg.h
@@ -10,6 +10,7 @@
 #error "Cannot use generic cmpxchg on SMP"
 #endif
 
+#include <linux/types.h>
 #include <linux/irqflags.h>
 
 #ifndef xchg