diff options
Diffstat (limited to 'kernel/sched/fair.c')
| -rw-r--r-- | kernel/sched/fair.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 2d170b5da0e3..35c105759dfa 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -8181,14 +8181,18 @@ static bool update_sd_pick_busiest(struct lb_env *env, case group_has_spare: /* - * Select not overloaded group with lowest number of - * idle cpus. We could also compare the spare capacity - * which is more stable but it can end up that the - * group has less spare capacity but finally more idle + * Select not overloaded group with lowest number of idle cpus + * and highest number of running tasks. We could also compare + * the spare capacity which is more stable but it can end up + * that the group has less spare capacity but finally more idle * CPUs which means less opportunity to pull tasks. */ - if (sgs->idle_cpus >= busiest->idle_cpus) + if (sgs->idle_cpus > busiest->idle_cpus) return false; + else if ((sgs->idle_cpus == busiest->idle_cpus) && + (sgs->sum_nr_running <= busiest->sum_nr_running)) + return false; + break; } |