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sched/fair: Cleanup newidle_balance

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update_next_balance() uses sd->last_balance which is not modified by
load_balance() so we can merge the 2 calls in one place.

No functional change

Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Link: https://lore.kernel.org/r/20211019123537.17146-6-vincent.guittot@linaro.org
This commit is contained in:
Vincent Guittot 2021-10-19 14:35:37 +02:00 • committed by Peter Zijlstra
parent c5b0a7eefc
commit 8ea9183db4
1 changed files with 3 additions and 5 deletions
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8
kernel/sched/fair.c
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@ -10916,10 +10916,10 @@ static int newidle_balance(struct rq *this_rq, struct rq_flags *rf)
int continue_balancing = 1;
u64 domain_cost;
if (this_rq->avg_idle < curr_cost + sd->max_newidle_lb_cost) {
update_next_balance(sd, &next_balance);
update_next_balance(sd, &next_balance);
if (this_rq->avg_idle < curr_cost + sd->max_newidle_lb_cost)
break;
}
if (sd->flags & SD_BALANCE_NEWIDLE) {
@ -10935,8 +10935,6 @@ static int newidle_balance(struct rq *this_rq, struct rq_flags *rf)
t0 = t1;
}
update_next_balance(sd, &next_balance);
/*
* Stop searching for tasks to pull if there are
* now runnable tasks on this rq.