Re: [PATCH net-next v2 0/6] page_pool: a couple of assorted optimizations

From: Jakub Kicinski
Date: Thu Aug 03 2023 - 13:01:19 EST


On Thu, 3 Aug 2023 18:40:08 +0200 Alexander Lobakin wrote:
> That initially was a spin-off of the IAVF PP series[0], but has grown
> (and shrunk) since then a bunch. In fact, it consists of three
> semi-independent blocks:
>
> * #1-2: Compile-time optimization. Split page_pool.h into 2 headers to
> not overbloat the consumers not needing complex inline helpers and
> then stop including it in skbuff.h at all. The first patch is also
> prereq for the whole series.
> * #3: Improve cacheline locality for users of the Page Pool frag API.
> * #4-6: Use direct cache recycling more aggressively, when it is safe
> obviously. In addition, make sure nobody wants to use Page Pool API
> with disabled interrupts.
>
> Patches #1 and #5 are authored by Yunsheng and Jakub respectively, with
> small modifications from my side as per ML discussions.
> For the perf numbers for #3-6, please see individual commit messages.
>
> Also available on my GH with many more Page Pool goodies[1].

Replying here so that potential reviewers see.

I just pushed the update to docs which will conflict with this series.
Please rebase and repost (without the 24h wait).
--
pw-bot: cr