sched/fair: Wait before decaying max_newidle_lb_cost

Browse source

Decay max_newidle_lb_cost only when it has not been updated for a while
and ensure to not decay a recently changed value.

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/20211019123537.17146-4-vincent.guittot@linaro.org

...

This commit is contained in:

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

parent 9d783c8dd1

commit e60b56e46b

3 changed files with 29 additions and 11 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

include/linux/sched/topology.h

View file

36

kernel/sched/fair.c

View file

2

kernel/sched/topology.c

View file