diff --git a/net/rds/cong.c b/net/rds/cong.c
index 90e6b31..710e459 100644
--- a/net/rds/cong.c
+++ b/net/rds/cong.c
@@ -33,6 +33,8 @@
 #include <linux/types.h>
 #include <linux/rbtree.h>
 
+#include <asm-generic/bitops/le.h>
+
 #include "rds.h"
 
 /*