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rcu: Remove unused rcu_cpu_kthread_cpu per-CPU variable
author
Paul E. McKenney
<paulmck@linux.ibm.com>
Sat, 1 Dec 2018 03:12:04 +0000
(19:12 -0800)
committer
Paul E. McKenney
<paulmck@linux.ibm.com>
Fri, 25 Jan 2019 23:29:56 +0000
(15:29 -0800)
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>
kernel/rcu/tree.h
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diff --git
a/kernel/rcu/tree.h
b/kernel/rcu/tree.h
index
7ae6774
..
008c356
100644
(file)
--- 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);