Messages in this thread Patch in this message | | | From | Dietmar Eggemann <> | Subject | [PATCH 1/7] sched/fair: Remove remaining power aware scheduling comments | Date | Fri, 29 Apr 2016 20:32:38 +0100 |
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Commit 8e7fbcbc22c1 ("sched: Remove stale power aware scheduling remnants and dysfunctional knobs") deleted the power aware scheduling support.
This patch gets rid of the remaining power aware scheduling comments.
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com> --- kernel/sched/fair.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index b8a33abce650..c77e01b55ec2 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -7025,9 +7025,8 @@ static inline void calculate_imbalance(struct lb_env *env, struct sd_lb_stats *s * We're trying to get all the cpus to the average_load, so we don't * want to push ourselves above the average load, nor do we wish to * reduce the max loaded cpu below the average load. At the same time, - * we also don't want to reduce the group load below the group capacity - * (so that we can implement power-savings policies etc). Thus we look - * for the minimum possible imbalance. + * we also don't want to reduce the group load below the group + * capacity. Thus we look for the minimum possible imbalance. */ max_pull = min(busiest->avg_load - sds->avg_load, load_above_capacity); @@ -7051,10 +7050,7 @@ static inline void calculate_imbalance(struct lb_env *env, struct sd_lb_stats *s /** * find_busiest_group - Returns the busiest group within the sched_domain - * if there is an imbalance. If there isn't an imbalance, and - * the user has opted for power-savings, it returns a group whose - * CPUs can be put to idle by rebalancing those tasks elsewhere, if - * such a group exists. + * if there is an imbalance. * * Also calculates the amount of weighted load which should be moved * to restore balance. @@ -7062,9 +7058,6 @@ static inline void calculate_imbalance(struct lb_env *env, struct sd_lb_stats *s * @env: The load balancing environment. * * Return: - The busiest group if imbalance exists. - * - If no imbalance and user has opted for power-savings balance, - * return the least loaded group whose CPUs can be - * put to idle by rebalancing its tasks onto our group. */ static struct sched_group *find_busiest_group(struct lb_env *env) { -- 1.9.1
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