diff --git a/include/linux/mbcache.h b/include/linux/mbcache.h
index 9263d2d..99e044b 100644
--- a/include/linux/mbcache.h
+++ b/include/linux/mbcache.h
@@ -22,7 +22,7 @@
 };
 
 struct mb_cache_op {
-	int (*free)(struct mb_cache_entry *, int);
+	int (*free)(struct mb_cache_entry *, gfp_t);
 };
 
 /* Functions on caches */