--- zzzz-none-000/linux-3.10.107/include/linux/seq_file.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/include/linux/seq_file.h	2021-11-10 11:53:56.000000000 +0000
@@ -133,7 +133,8 @@
 int seq_put_decimal_ll(struct seq_file *m, char delimiter,
 			long long num);
 
-static inline struct user_namespace *seq_user_ns(struct seq_file *seq)
+static inline struct user_namespace *seq_user_ns(struct seq_file *seq
+						 __maybe_unused)
 {
 #ifdef CONFIG_USER_NS
 	return seq->user_ns;