Commit e78e70db authored by Peter Zijlstra's avatar Peter Zijlstra
Browse files

sched/fair: Small cleanup to sched_balance_newidle() 



Pull out the !sd check to simplify code.

Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: default avatarDietmar Eggemann <dietmar.eggemann@arm.com>
Tested-by: default avatarDietmar Eggemann <dietmar.eggemann@arm.com>
Tested-by: default avatarChris Mason <clm@meta.com>
Link: https://patch.msgid.link/20251107161739.525916173@infradead.org
parent d206fbad

kernel/sched/fair.c

+6 −4
Original line number Diff line number Diff line
@@ -12879,14 +12879,16 @@ static int sched_balance_newidle(struct rq *this_rq, struct rq_flags *rf) 


	rcu_read_lock();

	sd = rcu_dereference_check_sched_domain(this_rq->sd);

	if (!sd) {

		rcu_read_unlock();

		goto out;

	}



	if (!get_rd_overloaded(this_rq->rd) ||

	    (sd && this_rq->avg_idle < sd->max_newidle_lb_cost)) {

	    this_rq->avg_idle < sd->max_newidle_lb_cost) {



		if (sd)

		update_next_balance(sd, &next_balance);

		rcu_read_unlock();



		goto out;

	}

	rcu_read_unlock();