--- zzzz-none-000/linux-3.10.107/include/linux/rcupdate.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/include/linux/rcupdate.h	2021-11-10 11:53:56.000000000 +0000
@@ -61,7 +61,7 @@
 static inline void rcutorture_record_test_transition(void)
 {
 }
-static inline void rcutorture_record_progress(unsigned long vernum)
+static inline void rcutorture_record_progress(unsigned long vernum __attribute__((unused)))
 {
 }
 #ifdef CONFIG_RCU_TRACE
@@ -235,8 +235,9 @@
 static inline void rcu_user_exit(void) { }
 static inline void rcu_user_enter_after_irq(void) { }
 static inline void rcu_user_exit_after_irq(void) { }
-static inline void rcu_user_hooks_switch(struct task_struct *prev,
-					 struct task_struct *next) { }
+static inline void rcu_user_hooks_switch(struct task_struct *p __maybe_unused,
+					 struct task_struct *n __maybe_unused)
+{ }
 #endif /* CONFIG_RCU_USER_QS */
 
 extern void exit_rcu(void);
@@ -293,11 +294,12 @@
 extern void init_rcu_head_on_stack(struct rcu_head *head);
 extern void destroy_rcu_head_on_stack(struct rcu_head *head);
 #else /* !CONFIG_DEBUG_OBJECTS_RCU_HEAD */
-static inline void init_rcu_head_on_stack(struct rcu_head *head)
+static inline void init_rcu_head_on_stack(struct rcu_head *head __maybe_unused)
 {
 }
 
-static inline void destroy_rcu_head_on_stack(struct rcu_head *head)
+static inline void destroy_rcu_head_on_stack(
+					struct rcu_head *head __maybe_unused)
 {
 }
 #endif	/* #else !CONFIG_DEBUG_OBJECTS_RCU_HEAD */
@@ -1012,7 +1014,7 @@
 #ifdef CONFIG_RCU_NOCB_CPU
 extern bool rcu_is_nocb_cpu(int cpu);
 #else
-static inline bool rcu_is_nocb_cpu(int cpu) { return false; }
+static inline bool rcu_is_nocb_cpu(int cpu __maybe_unused) { return false; }
 #endif /* #else #ifdef CONFIG_RCU_NOCB_CPU */