diff --git a/mm/slub.c b/mm/slub.c
index 61847f8..ef6e5be 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -34,6 +34,7 @@
 #include <linux/stacktrace.h>
 #include <linux/prefetch.h>
 #include <linux/memcontrol.h>
+#include <linux/vmalloc.h>
 
 #include <trace/events/kmem.h>