diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index ca5a873..1efe60c 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -31,6 +31,7 @@
 	int rx_flags;
 	spinlock_t rx_lock;
 	struct netpoll *rx_np; /* netpoll that registered an rx_hook */
+	struct sk_buff_head arp_tx; /* list of arp requests to reply to */
 };
 
 void netpoll_poll(struct netpoll *np);