Because of just only one set of rcu_state, the declaration of rcu_sched_state/rcu_bh_state/rcu_preempt_state is unnecessary.
Signed-off-by: Peng Hao <peng.h...@zte.com.cn> --- kernel/rcu/tree.h | 7 ------- 1 file changed, 7 deletions(-) diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 703e19f..9ea704c 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -401,13 +401,6 @@ struct rcu_state { /* * RCU implementation internal declarations: */ -extern struct rcu_state rcu_sched_state; - -extern struct rcu_state rcu_bh_state; - -#ifdef CONFIG_PREEMPT_RCU -extern struct rcu_state rcu_preempt_state; -#endif /* #ifdef CONFIG_PREEMPT_RCU */ int rcu_dynticks_snap(struct rcu_data *rdp); -- 1.8.3.1