--- zzzz-none-000/linux-3.10.107/include/net/netns/hash.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/include/net/netns/hash.h	2021-11-10 11:53:56.000000000 +0000
@@ -5,7 +5,7 @@
 
 struct net;
 
-static inline unsigned int net_hash_mix(struct net *net)
+static inline unsigned int net_hash_mix(struct net *net __maybe_unused)
 {
 #ifdef CONFIG_NET_NS
 	/*