From: Tejun Heo <tj@kernel.org>
To: Waiman Long <longman@redhat.com>
Cc: Li Zefan <lizefan@huawei.com>,
Johannes Weiner <hannes@cmpxchg.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/2] cgroup: Add a hint to allow v1 controller to use v2 behavior
Date: Thu, 17 Aug 2017 11:48:44 -0700 [thread overview]
Message-ID: <20170817184844.GB491396@devbig577.frc2.facebook.com> (raw)
In-Reply-To: <1502994339-21668-2-git-send-email-longman@redhat.com>
Hello, Waiman.
On Thu, Aug 17, 2017 at 02:25:38PM -0400, Waiman Long wrote:
> For some cgroup controllers, the behavior on cgroup v1 differs somewhat
> from cgroup v2. To indicate that a controller can use v2 behavior
> in cgroup v1, a new cgroupfs mount option "v2_mode" is added. This
> is essentially a hint, there is no obligation for a controller to
> comply with this semantics.
Heh, I don't think we can make it a generic flag. We can't have one
kernel interpreting the option one way and later kernels doing
differently. Let's just make it cpuset specific - something like
cpuset_v2_mode.
Thanks.
--
tejun
next prev parent reply other threads:[~2017-08-17 18:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-17 18:25 [PATCH v2 0/2] cpuset: Allow v2 behavior in v1 cgroup Waiman Long
2017-08-17 18:25 ` [PATCH v2 1/2] cgroup: Add a hint to allow v1 controller to use v2 behavior Waiman Long
2017-08-17 18:48 ` Tejun Heo [this message]
2017-08-17 18:56 ` Waiman Long
2017-08-17 18:25 ` [PATCH v2 2/2] cpuset: Allow v2 behavior in v1 cgroup Waiman Long
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