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author | Vincent Guittot <vincent.guittot@linaro.org> | 2021-10-19 15:35:35 +0300 |
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committer | Peter Zijlstra <peterz@infradead.org> | 2021-10-31 13:11:38 +0300 |
commit | e60b56e46b384cee1ad34e6adc164d883049c6c3 (patch) | |
tree | fbef67008a7ce5d24913b43f5df56d3629ed3de5 /kernel/sched/topology.c | |
parent | 9d783c8dd112ad4b619e74e4bf57d2be0b400693 (diff) | |
download | linux-e60b56e46b384cee1ad34e6adc164d883049c6c3.tar.xz |
sched/fair: Wait before decaying max_newidle_lb_cost
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
Diffstat (limited to 'kernel/sched/topology.c')
-rw-r--r-- | kernel/sched/topology.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index e81246787560..30169c7685b6 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -1568,7 +1568,7 @@ sd_init(struct sched_domain_topology_level *tl, .last_balance = jiffies, .balance_interval = sd_weight, .max_newidle_lb_cost = 0, - .next_decay_max_lb_cost = jiffies, + .last_decay_max_lb_cost = jiffies, .child = child, #ifdef CONFIG_SCHED_DEBUG .name = tl->name, |