linux-kernel - Re: [PATCH net-next v2] page_pool: Clamp pool size to max 16K pages

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Message-Id: 
 <175922820626.1932647.11640562683473449413.git-patchwork-notify@kernel.org>
Date: Tue, 30 Sep 2025 10:30:06 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Dragos Tatulea <dtatulea@...dia.com>
Cc: tariqt@...dia.com, hawk@...nel.org, ilias.apalodimas@...aro.org,
 davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 horms@...nel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2] page_pool: Clamp pool size to max 16K pages

Hello:

This patch was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Fri, 26 Sep 2025 16:16:05 +0300 you wrote:
> page_pool_init() returns E2BIG when the page_pool size goes above 32K
> pages. As some drivers are configuring the page_pool size according to
> the MTU and ring size, there are cases where this limit is exceeded and
> the queue creation fails.
> 
> The page_pool size doesn't have to cover a full queue, especially for
> larger ring size. So clamp the size instead of returning an error. Do
> this in the core to avoid having each driver do the clamping.
> 
> [...]

Here is the summary with links:
  - [net-next,v2] page_pool: Clamp pool size to max 16K pages
    https://git.kernel.org/netdev/net-next/c/a1b501a8c6a8

You are awesome, thank you!
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