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From: Waiman Long <longman@redhat.com>
To: Guopeng Zhang <guopeng.zhang@linux.dev>, Tejun Heo <tj@kernel.org>
Cc: "Johannes Weiner" <hannes@cmpxchg.org>,
	"Michal Koutný" <mkoutny@suse.com>,
	"Ridong Chen" <ridong.chen@linux.dev>,
	"Jonathan Corbet" <corbet@lwn.net>,
	"Shuah Khan" <skhan@linuxfoundation.org>,
	"Randy Dunlap" <rdunlap@infradead.org>,
	cgroups@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	"Guopeng Zhang" <zhangguopeng@kylinos.cn>
Subject: Re: [PATCH 0/2] docs: cgroup-v2: Correct cpuset CPU descriptions
Date: Mon, 21 Sep 2026 11:40:19 -0400	[thread overview]
Message-ID: <a99674dd-7dd8-4097-af40-e8a0b16595b4@redhat.com> (raw)
In-Reply-To: <20260918102359.71826-1-guopeng.zhang@linux.dev>

On 9/18/26 6:23 AM, Guopeng Zhang wrote:
> From: Guopeng Zhang <zhangguopeng@kylinos.cn>
>
> The cpuset interface documentation says cpuset.cpus.isolated is empty
> unless an isolated partition exists, omitting CPUs isolated at boot with
> isolcpus=domain. Its cpuset.cpus.effective description also assumes CPUs
> come from the immediate parent and are normally a subset of
> cpuset.cpus, which is not always true for valid non-root partition roots.
>
> Update both descriptions to match the existing behavior.

The behavior of cpuset partitions have evolved over time and the 
documentation doesn't fully reflect the current behavior. Your 2 docs 
patch look good so far and I am looking forward to your v2 patches.

Cheers,
Longman

> Guopeng Zhang (2):
>    docs: cgroup-v2: Describe boot-isolated CPUs in cpuset.cpus.isolated
>    docs: cgroup-v2: Describe effective CPUs of partition roots
>
>   Documentation/admin-guide/cgroup-v2.rst | 37 ++++++++++++++++---------
>   1 file changed, 24 insertions(+), 13 deletions(-)
>


      parent reply	other threads:[~2026-09-21 15:40 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-18 10:23 [PATCH 0/2] docs: cgroup-v2: Correct cpuset CPU descriptions Guopeng Zhang
2026-09-18 10:23 ` [PATCH 1/2] docs: cgroup-v2: Describe boot-isolated CPUs in cpuset.cpus.isolated Guopeng Zhang
2026-09-21  4:29   ` Ridong Chen
2026-09-21  8:09     ` Guopeng Zhang
2026-09-18 10:23 ` [PATCH 2/2] docs: cgroup-v2: Describe effective CPUs of partition roots Guopeng Zhang
2026-09-21  6:38   ` Ridong Chen
2026-09-21  8:11     ` Guopeng Zhang
2026-09-21 15:40 ` Waiman Long [this message]

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