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sched/migration: Move calc_load_migrate() into CPU_DYING

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It really does not matter when we fold the load for the outgoing cpu. It's
almost dead anyway, so there is no harm if we fail to fold the few
microseconds which are required for going fully away.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: rt@linutronix.de
Link: http://lkml.kernel.org/r/20160310120025.328739226@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2016-03-10 12:54:16 +01:00
parent 94baf7a5d8
commit e9cd8fa4fc
1 changed files with 0 additions and 3 deletions
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3
kernel/sched/core.c
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@ -5447,9 +5447,6 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu)
migrate_tasks(rq); migrate_tasks(rq);
BUG_ON(rq->nr_running != 1); /* the migration thread */ BUG_ON(rq->nr_running != 1); /* the migration thread */
raw_spin_unlock_irqrestore(&rq->lock, flags); raw_spin_unlock_irqrestore(&rq->lock, flags);
break;
case CPU_DEAD:
calc_load_migrate(rq); calc_load_migrate(rq);
break; break;
#endif #endif