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Commit 8b4d0f48 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

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: default avatarPaul E. McKenney <paulmck@linux.ibm.com>
parent 6ffdde28

kernel/rcu/tree.h

+0 −1
Original line number Diff line number Diff line
@@ -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 */

kernel/rcu/tree_plugin.h

+0 −2
Original line number Diff line number Diff line
@@ -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;