diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c
index 027a402..bf3ef66 100644
--- a/init/do_mounts_rd.c
+++ b/init/do_mounts_rd.c
@@ -7,6 +7,7 @@
 #include <linux/cramfs_fs.h>
 #include <linux/initrd.h>
 #include <linux/string.h>
+#include <linux/slab.h>
 
 #include "do_mounts.h"
 #include "../fs/squashfs/squashfs_fs.h"