Re: [PATCH net-next] net: page_pool: scale alloc cache with PAGE_SIZE

From: patchwork-bot+netdevbpf

Date: Thu Mar 12 2026 - 22:52:25 EST


Hello:

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

On Mon, 9 Mar 2026 10:13:01 +0200 you wrote:
> The current page_pool alloc-cache size and refill values were chosen to
> match the NAPI budget and to leave headroom for XDP_DROP recycling.
> These fixed values do not scale well with large pages,
> as they significantly increase a given page_pool's memory footprint.
>
> Scale these values to better balance memory footprint across page sizes,
> while keeping behavior on 4KB-page systems unchanged.
>
> [...]

Here is the summary with links:
- [net-next] net: page_pool: scale alloc cache with PAGE_SIZE
https://git.kernel.org/netdev/net-next/c/15abbe7c8266

You are awesome, thank you!
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