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Subject[PATCH tip/core/rcu 05/12] rcu: Remove the declaration of call_rcu() in tree.h
From: Lai Jiangshan <>

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 <>
Signed-off-by: Lai Jiangshan <>
Signed-off-by: Paul E. McKenney <>
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);
 \ /
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