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From: Tejun Heo <tj@kernel.org>
To: "Maciej S. Szmigiero" <mail@maciej.szmigiero.name>
Cc: Li Zefan <lizefan@huawei.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Jonathan Corbet <corbet@lwn.net>,
	cgroups@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH][RESEND] cgroup, docs: document the root cgroup behavior of cpu and io controllers
Date: Mon, 8 Jan 2018 04:15:03 -0800	[thread overview]
Message-ID: <20180108121503.GK3668920@devbig577.frc2.facebook.com> (raw)
In-Reply-To: <e9761aed-4f51-07d1-6ede-d695ea5cb61b@maciej.szmigiero.name>

Hello,

On Thu, Jan 04, 2018 at 10:57:00PM +0100, Maciej S. Szmigiero wrote:
> Currently, cgroups v2 documentation contains only a generic remark that
> "How resource consumption in the root cgroup is governed is up to each
> controller", which isn't really telling users much, who need to dig in the
> code and / or commit messages to learn the exact behavior.

I don't think we want to fully guarantee the current behavior.  On the
scheduler side, I don't think it's likely to change but blkio side
*might* change.  Can you please collect the root behavior in a separte
section and clearly note that the behaviors are subject to change?

Thanks.

-- 
tejun

  reply	other threads:[~2018-01-08 12:15 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-04 21:57 Maciej S. Szmigiero
2018-01-08 12:15 ` Tejun Heo [this message]
2018-01-08 16:29   ` Maciej S. Szmigiero

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