netdev - Re: [PATCH net-next] selftests: net: tcp_mmap: populate pages in send path

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Message-Id: <167453821616.25349.8635360536960121410.git-patchwork-notify@kernel.org>
Date:   Tue, 24 Jan 2023 05:30:16 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Eric Dumazet <edumazet@...gle.com>
Cc:     davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH net-next] selftests: net: tcp_mmap: populate pages in send
 path

Hello:

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

On Fri, 20 Jan 2023 18:11:36 +0000 you wrote:
> In commit 72653ae5303c ("selftests: net: tcp_mmap:
> Use huge pages in send path") I made a change to use hugepages
> for the buffer used by the client (tx path)
> 
> Today, I understood that the cause for poor zerocopy
> performance was that after a mmap() for a 512KB memory
> zone, kernel uses a single zeropage, mapped 128 times.
> 
> [...]

Here is the summary with links:
  - [net-next] selftests: net: tcp_mmap: populate pages in send path
    https://git.kernel.org/netdev/net-next/c/057fb03160a8

You are awesome, thank you!
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