From: Zefan Li <lizefan@huawei.com>
To: Tejun Heo <tj@kernel.org>
Cc: <axboe@kernel.dk>, <hannes@cmpxchg.org>,
<linux-kernel@vger.kernel.org>, <vgoyal@redhat.com>,
<avanzini.arianna@gmail.com>, <cgroups@vger.kernel.org>,
<kernel-team@fb.com>
Subject: Re: [PATCH 2/4] cgroup: define controller file conventions
Date: Wed, 5 Aug 2015 16:19:14 +0800 [thread overview]
Message-ID: <55C1C702.3020400@huawei.com> (raw)
In-Reply-To: <1438547024-23497-3-git-send-email-tj@kernel.org>
On 2015/8/3 4:23, Tejun Heo wrote:
> Traditionally, each cgroup controller implemented whatever interface
> it wanted leading to interfaces which are widely inconsistent.
> Examining the requirements of the controllers readily yield that there
> are only a few control schemes shared among all.
>
> Two major controllers already had to implement new interface for the
> unified hierarchy due to significant structural changes. Let's take
> the chance to establish common conventions throughout all controllers.
>
> This patch defines CGROUP_WEIGHT_MIN/DFL/MAX to be used on all weight
> based control knobs and documents the conventions that controllers
> should follow on the unified hierarchy. Except for io.weight knob,
> all existing unified hierarchy knobs are already compliant. A
> follow-up patch will update io.weight.
>
> Signed-off-by: Tejun Heo <tj@kernel.org>
> Cc: Li Zefan <lizefan@huawei.com>
> Cc: Johannes Weiner <hannes@cmpxchg.org>
acked
next prev parent reply other threads:[~2015-08-05 8:19 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-02 20:23 [PATCHSET cgroup,block/for-4.3] cgroup, blkcg: establish controller interface conventions Tejun Heo
2015-08-02 20:23 ` [PATCH 1/4] cgroup: export cgrp_dfl_root Tejun Heo
2015-08-05 8:18 ` Zefan Li
2015-08-05 20:23 ` Tejun Heo
2015-08-02 20:23 ` [PATCH 2/4] cgroup: define controller file conventions Tejun Heo
2015-08-03 13:36 ` Johannes Weiner
2015-08-05 8:19 ` Zefan Li [this message]
2015-08-02 20:23 ` [PATCH 3/4] blkcg: s/CFQ_WEIGHT_*/CFQ_WEIGHT_LEGACY_*/ Tejun Heo
2015-08-02 20:23 ` [PATCH 4/4] blkcg: use CGROUP_WEIGHT_* scale for io.weight on the unified hierarchy Tejun Heo
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