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sched/fair: Small cleanup to sched_balance_newidle() 

Pull out the !sd check to simplify code.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Tested-by: Chris Mason <clm@meta.com>
Link: https://patch.msgid.link/20251107161739.525916173@infradead.org
This commit is contained in:
Peter Zijlstra 2025-11-07 17:01:24 +01:00
parent d206fbad93
commit e78e70dbf6
1 changed files with 6 additions and 4 deletions
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10
kernel/sched/fair.c
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@ -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);
update_next_balance(sd, &next_balance);
rcu_read_unlock();
goto out;
}
rcu_read_unlock();