diff --git a/arch/arm64/include/asm/spinlock_types.h b/arch/arm64/include/asm/spinlock_types.h
index b8d383665f56..55be59a35e3f 100644
--- a/arch/arm64/include/asm/spinlock_types.h
+++ b/arch/arm64/include/asm/spinlock_types.h
@@ -20,6 +20,8 @@
 # error "please don't include this file directly"
 #endif
 
+#include <linux/types.h>
+
 #define TICKET_SHIFT	16
 
 typedef struct {