diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c
index a16f29e..612a5c3 100644
--- a/fs/bio-integrity.c
+++ b/fs/bio-integrity.c
@@ -24,6 +24,7 @@
 #include <linux/mempool.h>
 #include <linux/bio.h>
 #include <linux/workqueue.h>
+#include <linux/slab.h>
 
 struct integrity_slab {
 	struct kmem_cache *slab;