From: Paul E. McKenney <paulmck@linux.ibm.com>
Date: Sat, 1 Dec 2018 03:12:04 +0000 (-0800)
Subject: rcu: Remove unused rcu_cpu_kthread_cpu per-CPU variable
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b2c1955b88495c1531b2080ba4fad119c0a03cc1;p=linux.git

rcu: Remove unused rcu_cpu_kthread_cpu per-CPU variable

The rcu_cpu_kthread_cpu used to provide debugfs information, but is no
longer used.  This commit therefore removes it.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
---

diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index 7ae6774a920e2..008c356c7033b 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -408,10 +408,6 @@ static const char *tp_rcu_varname __used __tracepoint_string = rcu_name;
 
 int rcu_dynticks_snap(struct rcu_data *rdp);
 
-#ifdef CONFIG_RCU_BOOST
-DECLARE_PER_CPU(int, rcu_cpu_kthread_cpu);
-#endif /* #ifdef CONFIG_RCU_BOOST */
-
 /* Forward declarations for rcutree_plugin.h */
 static void rcu_bootup_announce(void);
 static void rcu_qs(void);