diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index 023b95b..4bd0218 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <linux/sched.h>
 #include <linux/circ_buf.h>
 #include "internal.h"