diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
index eeb4986..d5db84a 100644
--- a/fs/cachefiles/namei.c
+++ b/fs/cachefiles/namei.c
@@ -19,6 +19,7 @@
 #include <linux/mount.h>
 #include <linux/namei.h>
 #include <linux/security.h>
+#include <linux/slab.h>
 #include "internal.h"
 
 #define CACHEFILES_KEYBUF_SIZE 512