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authorGregory Haskins <ghaskins@novell.com>2008-06-27 14:29:55 -0600
committerIngo Molnar <mingo@elte.hu>2008-07-04 12:50:21 +0200
commitc4acb2c0669c5c5c9b28e9d02a34b5c67edf7092 (patch)
tree58a8c98678a204023301e9edfd5e462a65d13851 /kernel/sched.c
parent30432094a7f506ad24997a3ba6aed913ab61c01d (diff)
sched: terminate newidle balancing once at least one task has moved over
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>
Diffstat (limited to 'kernel/sched.c')
-rw-r--r--kernel/sched.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 677c80b9a6b5..d99aeabeb72f 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3013,6 +3013,10 @@ static int move_tasks(struct rq *this_rq, int this_cpu, struct rq *busiest,
max_load_move - total_load_moved,
sd, idle, all_pinned, &this_best_prio);
class = class->next;
+
+ if (idle == CPU_NEWLY_IDLE && this_rq->nr_running)
+ break;
+
} while (class && max_load_move > total_load_moved);
return total_load_moved > 0;