diff options
Diffstat (limited to 'kernel/sched.c')
| -rw-r--r-- | kernel/sched.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 934f615ccce..71e8dcaf2c7 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -3386,8 +3386,17 @@ static inline void update_sd_lb_stats(struct sched_domain *sd, int this_cpu, int load_idx; #if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT) - sds->power_savings_balance = 1; - sds->min_nr_running = ULONG_MAX; + /* + * Busy processors will not participate in power savings + * balance. + */ + if (idle == CPU_NOT_IDLE || !(sd->flags & SD_POWERSAVINGS_BALANCE)) + sds->power_savings_balance = 0; + else { + sds->power_savings_balance = 1; + sds->min_nr_running = ULONG_MAX; + sds->leader_nr_running = 0; + } #endif load_idx = get_sd_load_idx(sd, idle); @@ -3422,12 +3431,8 @@ static inline void update_sd_lb_stats(struct sched_domain *sd, int this_cpu, } #if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT) - /* - * Busy processors will not participate in power savings - * balance. - */ - if (idle == CPU_NOT_IDLE || - !(sd->flags & SD_POWERSAVINGS_BALANCE)) + + if (!sds->power_savings_balance) goto group_next; /* @@ -3651,7 +3656,7 @@ find_busiest_group(struct sched_domain *sd, int this_cpu, out_balanced: #if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT) - if (idle == CPU_NOT_IDLE || !(sd->flags & SD_POWERSAVINGS_BALANCE)) + if (!sds.power_savings_balance) goto ret; if (sds.this != sds.group_leader || sds.group_leader == sds.group_min) |