sched/fair: Reorder cgroup creation code

[cascardo/linux.git] / kernel / sched / fair.c

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 781788d..62d5e7d 100644 (file)
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -8624,10 +8624,6 @@ int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent)
                init_cfs_rq(cfs_rq);
                init_tg_cfs_entry(tg, cfs_rq, se, i, parent->se[i]);
                init_entity_runnable_average(se);
-
-               raw_spin_lock_irq(&rq->lock);
-               post_init_entity_util_avg(se);
-               raw_spin_unlock_irq(&rq->lock);
        }
 
        return 1;
@@ -8638,6 +8634,22 @@ err:
        return 0;
 }
 
+void online_fair_sched_group(struct task_group *tg)
+{
+       struct sched_entity *se;
+       struct rq *rq;
+       int i;
+
+       for_each_possible_cpu(i) {
+               rq = cpu_rq(i);
+               se = tg->se[i];
+
+               raw_spin_lock_irq(&rq->lock);
+               post_init_entity_util_avg(se);
+               raw_spin_unlock_irq(&rq->lock);
+       }
+}
+
 void unregister_fair_sched_group(struct task_group *tg)
 {
        unsigned long flags;
@@ -8742,6 +8754,8 @@ int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent)
        return 1;
 }
 
+void online_fair_sched_group(struct task_group *tg) { }
+
 void unregister_fair_sched_group(struct task_group *tg) { }
 
 #endif /* CONFIG_FAIR_GROUP_SCHED */