[tip: core/rcu] rcu: Remove the declaration of call_rcu() in tree.h

["tip-bot2 for Lai Jiangshan" <tip-bot2@linutronix.de>]

The following commit has been merged into the core/rcu branch of tip:

Commit-ID:     4778339df0ee361dbf2cbdcb87abaec9dfbc841d
Gitweb:        https://git.kernel.org/tip/4778339df0ee361dbf2cbdcb87abaec9dfbc841d
Author:        Lai Jiangshan <jiangshanlai@gmail.com>
AuthorDate:    Tue, 15 Oct 2019 10:28:46 
Committer:     Paul E. McKenney <paulmck@kernel.org>
CommitterDate: Fri, 24 Jan 2020 10:33:38 -08:00

rcu: Remove the declaration of call_rcu() in tree.h

The call_rcu() function is an external RCU API that is declared in
include/linux/rcupdate.h.  There is thus no point in redeclaring it
in kernel/rcu/tree.h, so this commit removes that redundant declaration.

Signed-off-by: Lai Jiangshan <jiangshanlai@gmail.com>
Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---
 kernel/rcu/tree.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index e4dc5de..54ff989 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -413,7 +413,6 @@ static bool rcu_preempt_has_tasks(struct rcu_node *rnp);
 static int rcu_print_task_exp_stall(struct rcu_node *rnp);
 static void rcu_preempt_check_blocked_tasks(struct rcu_node *rnp);
 static void rcu_flavor_sched_clock_irq(int user);
-void call_rcu(struct rcu_head *head, rcu_callback_t func);
 static void dump_blkd_tasks(struct rcu_node *rnp, int ncheck);
 static void rcu_initiate_boost(struct rcu_node *rnp, unsigned long flags);
 static void rcu_preempt_boost_start_gp(struct rcu_node *rnp);