diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index d805cf3..fb35262 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -44,6 +44,7 @@
 #include <linux/file.h>
 #include <linux/cdev.h>
 #include <linux/anon_inodes.h>
+#include <linux/slab.h>
 
 #include <asm/uaccess.h>