diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/sched.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index f4c413bdd38d..5757e03cfac0 100644 --- a/kernel/sched.c +++ b/kernel/sched.c | |||
@@ -3190,7 +3190,7 @@ static int move_one_task(struct rq *this_rq, int this_cpu, struct rq *busiest, | |||
3190 | return 0; | 3190 | return 0; |
3191 | } | 3191 | } |
3192 | /********** Helpers for find_busiest_group ************************/ | 3192 | /********** Helpers for find_busiest_group ************************/ |
3193 | /** | 3193 | /* |
3194 | * sd_lb_stats - Structure to store the statistics of a sched_domain | 3194 | * sd_lb_stats - Structure to store the statistics of a sched_domain |
3195 | * during load balancing. | 3195 | * during load balancing. |
3196 | */ | 3196 | */ |
@@ -3222,7 +3222,7 @@ struct sd_lb_stats { | |||
3222 | #endif | 3222 | #endif |
3223 | }; | 3223 | }; |
3224 | 3224 | ||
3225 | /** | 3225 | /* |
3226 | * sg_lb_stats - stats of a sched_group required for load_balancing | 3226 | * sg_lb_stats - stats of a sched_group required for load_balancing |
3227 | */ | 3227 | */ |
3228 | struct sg_lb_stats { | 3228 | struct sg_lb_stats { |
@@ -3360,16 +3360,17 @@ static inline void update_sd_power_savings_stats(struct sched_group *group, | |||
3360 | } | 3360 | } |
3361 | 3361 | ||
3362 | /** | 3362 | /** |
3363 | * check_power_save_busiest_group - Check if we have potential to perform | 3363 | * check_power_save_busiest_group - see if there is potential for some power-savings balance |
3364 | * some power-savings balance. If yes, set the busiest group to be | ||
3365 | * the least loaded group in the sched_domain, so that it's CPUs can | ||
3366 | * be put to idle. | ||
3367 | * | ||
3368 | * @sds: Variable containing the statistics of the sched_domain | 3364 | * @sds: Variable containing the statistics of the sched_domain |
3369 | * under consideration. | 3365 | * under consideration. |
3370 | * @this_cpu: Cpu at which we're currently performing load-balancing. | 3366 | * @this_cpu: Cpu at which we're currently performing load-balancing. |
3371 | * @imbalance: Variable to store the imbalance. | 3367 | * @imbalance: Variable to store the imbalance. |
3372 | * | 3368 | * |
3369 | * Description: | ||
3370 | * Check if we have potential to perform some power-savings balance. | ||
3371 | * If yes, set the busiest group to be the least loaded group in the | ||
3372 | * sched_domain, so that it's CPUs can be put to idle. | ||
3373 | * | ||
3373 | * Returns 1 if there is potential to perform power-savings balance. | 3374 | * Returns 1 if there is potential to perform power-savings balance. |
3374 | * Else returns 0. | 3375 | * Else returns 0. |
3375 | */ | 3376 | */ |