diff options
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index b670bc883f91..e877e761fac5 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2410,6 +2410,27 @@ static int compute_load_scale_factor(int cpu) return load_scale; } +#define sched_up_down_migrate_auto_update 1 +static void check_for_up_down_migrate_update(const struct cpumask *cpus) +{ + int i = cpumask_first(cpus); + struct rq *rq = cpu_rq(i); + + if (!sched_up_down_migrate_auto_update) + return; + + if (rq->max_possible_capacity == max_possible_capacity) + return; + + if (rq->max_possible_freq == rq->max_freq) + up_down_migrate_scale_factor = 1024; + else + up_down_migrate_scale_factor = (1024 * rq->max_possible_freq)/ + rq->max_freq; + + update_up_down_migrate(); +} + static int cpufreq_notifier_policy(struct notifier_block *nb, unsigned long val, void *data) { @@ -2512,6 +2533,7 @@ static int cpufreq_notifier_policy(struct notifier_block *nb, } __update_min_max_capacity(); + check_for_up_down_migrate_update(policy->related_cpus); post_big_small_task_count_change(cpu_possible_mask); return 0; |