linux-kernel - Re: [PATCH 0/2] sched/fair: Fix O(nr

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Date:   Wed, 6 Feb 2019 17:23:30 +0100
From:   Vincent Guittot <vincent.guittot@...aro.org>
To:     linux-kernel <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     Tejun Heo <tj@...nel.org>, Sargun Dhillon <sargun@...gun.me>,
        Xie XiuQi <xiexiuqi@...wei.com>, xiezhipeng1@...wei.com,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 0/2] sched/fair: Fix O(nr_cgroups) in load balance path

On Wed, 6 Feb 2019 at 17:14, Vincent Guittot <vincent.guittot@...aro.org> wrote:
>
> This patchset adds missing pieces in the management of leaf_cfs_rq_list
> to ensure that cfs_rqs are always correctly ordered before
> re-enabling ("sched/fair: Fix O(nr_cgroups) in load balance path")

I should have mentioned that this patchset applies on the latest
tip/sched/core branch

>
> Vincent Guittot (2):
>   sched/fair: optimization of update_blocked_averages()
>   sched/fair: Fix O(nr_cgroups) in load balance path
>
>  kernel/sched/fair.c | 67 ++++++++++++++++++++++++++++++++++++++++++-----------
>  1 file changed, 53 insertions(+), 14 deletions(-)
>
> --
> 2.7.4
>