| From | Andrea Arcangeli <> | Subject | [PATCH 24/39] autonuma: fix finding idlest cpu | Date | Mon, 26 Mar 2012 19:46:11 +0200 |
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From: Hillf Danton <dhillf@gmail.com>
If autonuma not enabled, no cpu is selected, which is behavior change. We have to fix it.
Signed-off-by: Hillf Danton <dhillf@gmail.com> Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> --- kernel/sched/fair.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 166168d..bf109cc 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2619,11 +2619,11 @@ find_idlest_cpu(struct sched_group *group, struct task_struct *p, int this_cpu) /* Traverse only the allowed CPUs */ for_each_cpu_and(i, sched_group_cpus(group), tsk_cpus_allowed(p)) { - if (task_autonuma_cpu(p, i)) - continue; load = weighted_cpuload(i); if (load < min_load || (load == min_load && i == this_cpu)) { + if (!task_autonuma_cpu(p, i)) + continue; min_load = load; idlest = i; }
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