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authorPaul E. McKenney <paulmck@linux.ibm.com>2018-11-30 17:17:21 -0800
committerPaul E. McKenney <paulmck@linux.ibm.com>2019-01-25 15:29:55 -0800
commit8b4d0f4858864af6a0753740f00353035bd058de (patch)
tree6343456c91d2f15747b3d19be72358352abf91af /kernel/rcu
parent6ffdde28b7558ec48f4e0eee01821a66a67a8e25 (diff)
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rcu: Remove unused rcu_cpu_kthread_loops per-CPU variable
The rcu_cpu_kthread_loops variable 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>
Diffstat (limited to 'kernel/rcu')
-rw-r--r--kernel/rcu/tree.h1
-rw-r--r--kernel/rcu/tree_plugin.h2
2 files changed, 0 insertions, 3 deletions
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index 047f5e9350d1..e50b0a5a94bc 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -410,7 +410,6 @@ int rcu_dynticks_snap(struct rcu_data *rdp);
#ifdef CONFIG_RCU_BOOST
DECLARE_PER_CPU(int, rcu_cpu_kthread_cpu);
-DECLARE_PER_CPU(unsigned int, rcu_cpu_kthread_loops);
DECLARE_PER_CPU(char, rcu_cpu_has_work);
#endif /* #ifdef CONFIG_RCU_BOOST */
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 935dc594cf30..d1f32c63c789 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -40,7 +40,6 @@
/*
* Control variables for per-CPU and per-rcu_node kthreads.
*/
-DEFINE_PER_CPU(unsigned int, rcu_cpu_kthread_loops);
DEFINE_PER_CPU(char, rcu_cpu_has_work);
#else /* #ifdef CONFIG_RCU_BOOST */
@@ -1405,7 +1404,6 @@ static void rcu_cpu_kthread(unsigned int cpu)
trace_rcu_utilization(TPS("Start CPU kthread@rcu_wait"));
local_bh_disable();
*statusp = RCU_KTHREAD_RUNNING;
- this_cpu_inc(rcu_cpu_kthread_loops);
local_irq_disable();
work = *workp;
*workp = 0;