diff options
| author |   Vincent Guittot <vincent.guittot@linaro.org> | 2021-10-19 14:35:37 +0200 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2021-10-31 11:11:38 +0100 |
| commit | 8ea9183db4ad8afbcb7089a77c23eaf965b0cacd (patch) | |
| tree | fb529629b90f7ff58c6ce7571adfae771a2ca5cd /kernel | |
| parent | sched/fair: Remove sysctl_sched_migration_cost condition (diff) | |
| download | linux-dev-8ea9183db4ad8afbcb7089a77c23eaf965b0cacd.tar.xz linux-dev-8ea9183db4ad8afbcb7089a77c23eaf965b0cacd.zip | |
sched/fair: Cleanup newidle_balance
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
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/fair.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 57eae0ebc492..13950beb01a2 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -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. |