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Date: Thu, 21 Apr 2022 15:25:28 -0700 From: "T.J. Mercier" <tjmercier@...gle.com> To: Tejun Heo <tj@...nel.org> Cc: Daniel Vetter <daniel@...ll.ch>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...ux.ie>, Jonathan Corbet <corbet@....net>, Hridya Valsaraju <hridya@...gle.com>, Christian König <christian.koenig@....com>, John Stultz <jstultz@...gle.com>, Todd Kjos <tkjos@...roid.com>, Carlos Llamas <cmllamas@...gle.com>, Suren Baghdasaryan <surenb@...gle.com>, Kalesh Singh <kaleshsingh@...gle.com>, Kenny.Ho@....com, Michal Koutný <mkoutny@...e.com>, Shuah Khan <skhan@...uxfoundation.org>, kernel-team@...roid.com, dri-devel@...ts.freedesktop.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [RFC v5 1/6] gpu: rfc: Proposal for a GPU cgroup controller On Thu, Apr 21, 2022 at 1:34 PM Tejun Heo <tj@...nel.org> wrote: > > Hello, > > On Wed, Apr 20, 2022 at 11:52:19PM +0000, T.J. Mercier wrote: > > From: Hridya Valsaraju <hridya@...gle.com> > > > > This patch adds a proposal for a new GPU cgroup controller for > > accounting/limiting GPU and GPU-related memory allocations. > > The proposed controller is based on the DRM cgroup controller[1] and > > follows the design of the RDMA cgroup controller. > > > > The new cgroup controller would: > > * Allow setting per-device limits on the total size of buffers > > allocated by device within a cgroup. > > * Expose a per-device/allocator breakdown of the buffers charged to a > > cgroup. > > > > The prototype in the following patches is only for memory accounting > > using the GPU cgroup controller and does not implement limit setting. > > > > [1]: https://lore.kernel.org/amd-gfx/20210126214626.16260-1-brian.welty@intel.com/ > > > > Signed-off-by: Hridya Valsaraju <hridya@...gle.com> > > Signed-off-by: T.J. Mercier <tjmercier@...gle.com> > > Looks straight-forward enough from cgroup side. Are gpu folks generally > happy? David, Daniel, Kenny, what are your thoughts? > > > Documentation/gpu/rfc/gpu-cgroup.rst | 190 +++++++++++++++++++++++++++ > > Can you fold the important part into cgroup-v2.rst and maybe make the rest > code comments if necessary? > Sure thing, thanks. > Thanks. > > -- > tejun
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