netdev - Re: [PATCH net] Revert "net: skb: introduce and use a single page frag cache"

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Message-Id: 
 <173898843729.2488639.11493474890691107239.git-patchwork-notify@kernel.org>
Date: Sat, 08 Feb 2025 04:20:37 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, horms@...nel.org, andrew+netdev@...n.ch,
 alexanderduyck@...com
Subject: Re: [PATCH net] Revert "net: skb: introduce and use a single page frag
 cache"

Hello:

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

On Thu,  6 Feb 2025 22:28:48 +0100 you wrote:
> This reverts commit dbae2b062824 ("net: skb: introduce and use a single
> page frag cache"). The intended goal of such change was to counter a
> performance regression introduced by commit 3226b158e67c ("net: avoid
> 32 x truesize under-estimation for tiny skbs").
> 
> Unfortunately, the blamed commit introduces another regression for the
> virtio_net driver. Such a driver calls napi_alloc_skb() with a tiny
> size, so that the whole head frag could fit a 512-byte block.
> 
> [...]

Here is the summary with links:
  - [net] Revert "net: skb: introduce and use a single page frag cache"
    https://git.kernel.org/netdev/net/c/011b03359038

You are awesome, thank you!
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