linux-kernel - Re: [PATCH] cgroup/cpuset: Optimize update_tasks

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Date:   Wed, 23 Nov 2022 09:07:33 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Waiman Long <longman@...hat.com>
Cc:     "haifeng.xu" <haifeng.xu@...pee.com>, lizefan.x@...edance.com,
        hannes@...xchg.org, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cgroup/cpuset: Optimize update_tasks_nodemask()

On Wed, Nov 23, 2022 at 02:05:59PM -0500, Waiman Long wrote:
> Right, the group leader is just a marker to make it easier to avoid
> duplicating the work for the same mm. If the group leader happens to be in
> another cpuset, it will suffer some performance consequence.

Yeah, I guess that's gonna be good enough for most cases.

Thanks.

-- 
tejun