linux-kernel - Re: [RFC 2/6] cgroup: gpu: Add a cgroup controller for allocator attribution of GPU memory

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Date:   Wed, 19 Jan 2022 07:40:30 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Hridya Valsaraju <hridya@...gle.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Jonathan Corbet <corbet@....net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        Todd Kjos <tkjos@...roid.com>,
        Martijn Coenen <maco@...roid.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Christian Brauner <christian@...uner.io>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Liam Mark <lmark@...eaurora.org>,
        Laura Abbott <labbott@...hat.com>,
        Brian Starkey <Brian.Starkey@....com>,
        John Stultz <john.stultz@...aro.org>,
        Christian König <christian.koenig@....com>,
        Tejun Heo <tj@...nel.org>, Zefan Li <lizefan.x@...edance.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Dave Airlie <airlied@...hat.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Matthew Auld <matthew.auld@...el.com>,
        Matthew Brost <matthew.brost@...el.com>,
        Li Li <dualli@...gle.com>, Marco Ballesio <balejs@...gle.com>,
        Hang Lu <hangl@...eaurora.org>,
        Wedson Almeida Filho <wedsonaf@...gle.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Miguel Ojeda <ojeda@...nel.org>,
        Vipin Sharma <vipinsh@...gle.com>,
        Chris Down <chris@...isdown.name>,
        Daniel Borkmann <daniel@...earbox.net>,
        Vlastimil Babka <vbabka@...e.cz>,
        Arnd Bergmann <arnd@...db.de>, dri-devel@...ts.freedesktop.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, linaro-mm-sig@...ts.linaro.org,
        cgroups@...r.kernel.org
Cc:     Kenny.Ho@....com, daniels@...labora.com, kaleshsingh@...gle.com,
        tjmercier@...gle.com
Subject: Re: [RFC 2/6] cgroup: gpu: Add a cgroup controller for allocator
 attribution of GPU memory

Hi--

On 1/14/22 17:06, Hridya Valsaraju wrote:
> diff --git a/init/Kconfig b/init/Kconfig
> index cd23faa163d1..408910b21387 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -990,6 +990,13 @@ config BLK_CGROUP
>  
>  	See Documentation/admin-guide/cgroup-v1/blkio-controller.rst for more information.
>  
> +config CGROUP_GPU
> +       bool "gpu cgroup controller (EXPERIMENTAL)"
> +       select PAGE_COUNTER
> +       help
> +	Provides accounting and limit setting for memory allocations by the GPU
> +	and GPU-related subsystems.

Please follow coding-style for Kconfig files:

(from Documentation/process/coding-style.rst, section 10):

For all of the Kconfig* configuration files throughout the source tree,
the indentation is somewhat different.  Lines under a ``config`` definition
are indented with one tab, while help text is indented an additional two
spaces.


thanks.

-- 
~Randy