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Subject[PATCH] rcu: Remove rcu_*_state declaration
Date
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.hao2@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
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