sched/fair: Remove sysctl_sched_migration_cost condition

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With a default value of 500us, sysctl_sched_migration_cost is
significanlty higher than the cost of load_balance. Remove the
condition and rely on the sd->max_newidle_lb_cost to abort
newidle_balance.

Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
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/20211019123537.17146-5-vincent.guittot@linaro.org

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Vincent Guittot 2021-10-19 14:35:36 +02:00 • committed by Peter Zijlstra

parent e60b56e46b

commit c5b0a7eefc

1 changed files with 1 additions and 2 deletions

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kernel/sched/fair.c

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