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    SubjectRe: [PATCH 14/15] sched: Conditionally limit __cpu_power when child sched domain has type NODE
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    On Thu, 2009-08-20 at 15:45 +0200, Andreas Herrmann wrote:
    > We need this in case of performance policy. All sched_groups in
    > child's parent domain (MN in this case) should be limited such that
    > tasks are balanced among these sched_groups.

    /me fails at correlating the above changelog and the below patch.

    So here we go mess up cpu_power again in order to invluence the
    placement policy?

    > Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
    > ---
    > kernel/sched.c | 4 ++--
    > 1 files changed, 2 insertions(+), 2 deletions(-)
    >
    > diff --git a/kernel/sched.c b/kernel/sched.c
    > index 0c950dc..ab88d88 100644
    > --- a/kernel/sched.c
    > +++ b/kernel/sched.c
    > @@ -8555,11 +8555,11 @@ static void init_sched_groups_power(int cpu, struct sched_domain *sd)
    > */
    > if (!(sd->flags & SD_POWERSAVINGS_BALANCE) &&
    > ((child->flags &
    > - (SD_SHARE_CPUPOWER | SD_SHARE_PKG_RESOURCES)))) {
    > + (SD_SHARE_CPUPOWER | SD_SHARE_PKG_RESOURCES)) ||
    > + (child->level == SD_LV_NODE))) {
    > sd->groups->__cpu_power = 0;
    > sg_inc_cpu_power(sd->groups, SCHED_LOAD_SCALE);
    > }
    > -
    > }
    >
    > /*


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