diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index de1a52b..726ecd1 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1341,7 +1341,9 @@
 	struct sk_buff		*completion_queue;
 
 	/* Elements below can be accessed between CPUs for RPS */
+#ifdef CONFIG_SMP
 	struct call_single_data	csd ____cacheline_aligned_in_smp;
+#endif
 	struct sk_buff_head	input_pkt_queue;
 	struct napi_struct	backlog;
 };