linux-kernel - Re: [PATCH] cgroup/cpuset: Remove stale text

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Message-ID: <hjyhaosr2c5dsldlgzzsqedxzy3xd2e74ibtpxguz6ymbzqu2g@zs436iuhlnll>
Date: Tue, 3 Dec 2024 18:21:28 +0100
From: Michal Koutný <mkoutny@...e.com>
To: Waiman Long <llong@...hat.com>
Cc: Costa Shulyupin <costa.shul@...hat.com>, Tejun Heo <tj@...nel.org>, 
	Johannes Weiner <hannes@...xchg.org>, cgroups@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cgroup/cpuset: Remove stale text

On Tue, Dec 03, 2024 at 10:43:26AM GMT, Waiman Long <llong@...hat.com> wrote:
> Thank for noticing the stale comment. There is actually no task's cpuset
> pointer anymore.

Yeah, that likely evolved into task_struct.cgroup css_set pointer. The
"guidelines" for it are in sched.h/task_struct comments + comments for
struct cgroup_subsys_state.
Also, users may need css_get()/css_put() if they needs subsys state for
longer. (This info isn't actually cpuset specific.)

HTH,
Michal

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