linux-kernel - Re: [PATCH net-next V2] net/mlx5e: SHAMPO, Switch to header memcpy

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Message-Id: 
 <177034620808.657894.1041994885546152344.git-patchwork-notify@kernel.org>
Date: Fri, 06 Feb 2026 02:50:08 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Tariq Toukan <tariqt@...dia.com>
Cc: edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 andrew+netdev@...n.ch, davem@...emloft.net, saeedm@...dia.com,
 leon@...nel.org, mbloch@...dia.com, netdev@...r.kernel.org,
 linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org, gal@...dia.com,
 moshe@...dia.com, dtatulea@...dia.com
Subject: Re: [PATCH net-next V2] net/mlx5e: SHAMPO, Switch to header memcpy

Hello:

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

On Wed, 4 Feb 2026 22:03:45 +0200 you wrote:
> From: Dragos Tatulea <dtatulea@...dia.com>
> 
> Previously the HW-GRO code was using a separate page_pool for the header
> buffer. The pages of the header buffer were replenished via UMR. This
> mechanism has some drawbacks:
> - Reference counting on the page_pool page frags is not cheap.
> - UMRs have HW overhead for updating and also for access. Especially for
>   the KLM type which was previously used.
> - UMR code for headers is complex.
> 
> [...]

Here is the summary with links:
  - [net-next,V2] net/mlx5e: SHAMPO, Switch to header memcpy
    https://git.kernel.org/netdev/net-next/c/24cf78c73831

You are awesome, thank you!
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