Re: [PATCH net-next v6 0/2] net: mana: add ethtool private flag for full-page RX buffers

Jakub Kicinski
2026-04-12T19:59:20Z

On Thu, 9 Apr 2026 18:35:09 -0700 Jakub Kicinski wrote:
> On Tue, 7 Apr 2026 12:59:17 -0700 Dipayaan Roy wrote:
> > This behavior is observed on a single platform; other platforms
> > perform better with page_pool fragments, indicating this is not a
> > page_pool issue but platform-specific.
>
> Well, someone has to run some experiments and confirm other ARM
> platforms are not impacted, with data. I was hoping to do it myself
> but doesn't look like that will happen in time for the merge window :(

Please repost with the perf analysis on other commercially available
ARM platform. Something like:

This is a workaround applicable to only some platforms. Modifying
driver X to use a similar workaround on [Ampere Max|nVidia
Grace|Amazon Graviton 3|..] the performance for split pages is
y% higher than when using single pages.
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pw-bot: cr