diff --git a/mm/slub.c b/mm/slub.c
index 6d8d2f0b9921..ca7143fe25b5 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/bit_spinlock.h>
 #include <linux/interrupt.h>
+#include <linux/swab.h>
 #include <linux/bitops.h>
 #include <linux/slab.h>
 #include "slab.h"