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.eggem...@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
