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sched: Select_task_rq_fair() must honour SD_LOAD_BALANCE

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commit e4f4288842 upstream.

We should skip !SD_LOAD_BALANCE domains.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <20091216170517.653578430@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Peter Zijlstra 2009-12-16 18:04:34 +01:00 committed by Greg Kroah-Hartman
parent c9ac6a9e84
commit 8e04c81a22
1 changed files with 3 additions and 0 deletions
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3
kernel/sched_fair.c
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@ -1374,6 +1374,9 @@ static int select_task_rq_fair(struct task_struct *p, int sd_flag, int wake_flag
rcu_read_lock();
for_each_domain(cpu, tmp) {
if (!(tmp->flags & SD_LOAD_BALANCE))
continue;
/*
* If power savings logic is enabled for a domain, see if we
* are not overloaded, if so, don't balance wider.