Messages in this thread Patch in this message |  | | From | Vincent Guittot <> | Subject | [PATCH v3 5/5] sched/fair: cleanup newidle_balance | Date | Tue, 19 Oct 2021 14:35:37 +0200 |
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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> --- kernel/sched/fair.c | 8 +++----- 1 file 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. -- 2.17.1
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