diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index 9eda11c..13dc186 100644
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/slab.h>
 
 #include "rds.h"
 #include "rdma.h"