Commit f5ca3464 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcu: No-CBs-related sleeps to idle priority 



This commit converts the schedule_timeout_interruptible() call used by
RCU's no-CBs grace-period kthreads to schedule_timeout_idle().  This
conversion avoids polluting the load-average with RCU-related sleeping.

Signed-off-by: default avatarPaul E. McKenney <paulmck@kernel.org>
parent a9352f72

kernel/rcu/tree_plugin.h

+1 −1
Original line number Diff line number Diff line
@@ -2005,7 +2005,7 @@ static void nocb_gp_wait(struct rcu_data *my_rdp) 
		/* Polling, so trace if first poll in the series. */

		if (gotcbs)

			trace_rcu_nocb_wake(rcu_state.name, cpu, TPS("Poll"));

		schedule_timeout_interruptible(1);

		schedule_timeout_idle(1);

	} else if (!needwait_gp) {

		/* Wait for callbacks to appear. */

		trace_rcu_nocb_wake(rcu_state.name, cpu, TPS("Sleep"));

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