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sched: terminate newidle balancing once at least one task has moved over

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Inspired by Peter Zijlstra.

Signed-off-by: Gregory Haskins <ghaskins@novell.com>
Cc: npiggin@suse.de
Cc: rostedt@goodmis.org
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Gregory Haskins 2008-06-27 14:29:55 -06:00 committed by Ingo Molnar
parent 30432094a7
commit c4acb2c066
1 changed files with 4 additions and 0 deletions
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4
kernel/sched.c
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@ -3013,6 +3013,10 @@ static int move_tasks(struct rq *this_rq, int this_cpu, struct rq *busiest,
max_load_move - total_load_moved, max_load_move - total_load_moved,
sd, idle, all_pinned, &this_best_prio); sd, idle, all_pinned, &this_best_prio);
class = class->next; class = class->next;
if (idle == CPU_NEWLY_IDLE && this_rq->nr_running)
break;
} while (class && max_load_move > total_load_moved); } while (class && max_load_move > total_load_moved);
return total_load_moved > 0; return total_load_moved > 0;