diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index 04dc0d3..c7dd11b 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
 #include <rdma/rdma_cm.h>