diff --git a/net/rds/ib.c b/net/rds/ib.c
index 23a2ae5..62d4ebe 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -30,6 +30,7 @@
  * SOFTWARE.
  *
  */
+#include <linux/dmapool.h>
 #include <linux/kernel.h>
 #include <linux/in.h>
 #include <linux/if.h>