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Subject: Re: [PATCH net-next 0/4] shrink struct ubuf_info
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <166441802135.18961.14047192093792393033.git-patchwork-notify@kernel.org>
Date:   Thu, 29 Sep 2022 02:20:21 +0000
References: <cover.1663892211.git.asml.silence@gmail.com>
In-Reply-To: <cover.1663892211.git.asml.silence@gmail.com>
To:     Pavel Begunkov <asml.silence@gmail.com>
Cc:     netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org,
        linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org,
        wei.liu@kernel.org, paul@xen.org, kvm@vger.kernel.org,
        virtualization@lists.linux-foundation.org, mst@redhat.com,
        jasowang@redhat.com
Precedence: bulk

Hello:

This series was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Fri, 23 Sep 2022 17:39:00 +0100 you wrote:
> struct ubuf_info is large but not all fields are needed for all
> cases. We have limited space in io_uring for it and large ubuf_info
> prevents some struct embedding, even though we use only a subset
> of the fields. It's also not very clean trying to use this typeless
> extra space.
> 
> Shrink struct ubuf_info to only necessary fields used in generic paths,
> namely ->callback, ->refcnt and ->flags, which take only 16 bytes. And
> make MSG_ZEROCOPY and some other users to embed it into a larger struct
> ubuf_info_msgzc mimicking the former ubuf_info.
> 
> [...]

Here is the summary with links:
  - [net-next,1/4] net: introduce struct ubuf_info_msgzc
    https://git.kernel.org/netdev/net-next/c/6eaab4dfdd30
  - [net-next,2/4] xen/netback: use struct ubuf_info_msgzc
    https://git.kernel.org/netdev/net-next/c/b63ca3e822e7
  - [net-next,3/4] vhost/net: use struct ubuf_info_msgzc
    https://git.kernel.org/netdev/net-next/c/dfff202be5ea
  - [net-next,4/4] net: shrink struct ubuf_info
    https://git.kernel.org/netdev/net-next/c/e7d2b510165f

You are awesome, thank you!
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