--- zzzz-none-000/linux-2.6.39.4/include/net/netns/hash.h	2011-08-03 19:43:28.000000000 +0000
+++ puma6-arm-6490-729/linux-2.6.39.4/include/net/netns/hash.h	2021-11-10 13:23:10.000000000 +0000
@@ -5,7 +5,7 @@
 
 struct net;
 
-static inline unsigned net_hash_mix(struct net *net)
+static inline unsigned net_hash_mix(struct net *net __attribute__((unused)))
 {
 #ifdef CONFIG_NET_NS
 	/*