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Subject: Re: [PATCH v3 2/2] dmabuf: Add dmabuf inode number to /proc/*/fdinfo
To:     Kalesh Singh <kaleshsingh@google.com>
Cc:     jannh@google.com, jeffv@google.com, keescook@chromium.org,
        surenb@google.com, minchan@kernel.org, hridya@google.com,
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        Jonathan Corbet <corbet@lwn.net>,
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        =?UTF-8?Q?Christian_K=c3=b6nig?= <christian.koenig@amd.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
        Michal Hocko <mhocko@suse.com>,
        Alexey Gladkov <gladkov.alexey@gmail.com>,
        Anand K Mistry <amistry@google.com>,
        NeilBrown <neilb@suse.de>,
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        Michel Lespinasse <walken@google.com>,
        Bernd Edlinger <bernd.edlinger@hotmail.de>,
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        Yafang Shao <laoar.shao@gmail.com>,
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        dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org
References: <20210205022328.481524-1-kaleshsingh@google.com>
 <20210205022328.481524-2-kaleshsingh@google.com>
From:   Randy Dunlap <rdunlap@infradead.org>
Message-ID: <b2d08c27-ae9b-16ed-3500-a4a724d563ef@infradead.org>
Date:   Thu, 4 Feb 2021 18:36:43 -0800
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On 2/4/21 6:23 PM, Kalesh Singh wrote:
> If a FD refers to a DMA buffer add the DMA buffer inode number to
> /proc/<pid>/fdinfo/<FD> and /proc/<pid>/task/<tid>/fdindo/<FD>.
> 
> The dmabuf inode number allows userspace to uniquely identify the buffer
> and avoids a dependency on /proc/<pid>/fd/* when accounting per-process
> DMA buffer sizes.
> 
> Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
> ---
> Changes in v3:
>   - Add documentation in proc.rst

Hi,
Thanks for the doc update.

> Changes in v2:
>   - Update patch description
> 
>  Documentation/filesystems/proc.rst | 17 +++++++++++++++++
>  drivers/dma-buf/dma-buf.c          |  1 +
>  2 files changed, 18 insertions(+)
> 

Acked-by: Randy Dunlap <rdunlap@infradead.org> # for Documentation/filesystems/proc.rst


-- 
~Randy