linux-kernel - Re: [PATCH net-next v4 0/6] page_pool: a couple of assorted optimizations

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Date:   Mon, 07 Aug 2023 20:20:23 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Alexander Lobakin <aleksander.lobakin@...el.com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, maciej.fijalkowski@...el.com,
        larysa.zaremba@...el.com, linyunsheng@...wei.com,
        alexanderduyck@...com, hawk@...nel.org,
        ilias.apalodimas@...aro.org, simon.horman@...igine.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v4 0/6] page_pool: a couple of assorted optimizations

Hello:

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

On Fri,  4 Aug 2023 20:05:23 +0200 you 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.
> 
> [...]

Here is the summary with links:
  - [net-next,v4,1/6] page_pool: split types and declarations from page_pool.h
    https://git.kernel.org/netdev/net-next/c/a9ca9f9ceff3
  - [net-next,v4,2/6] net: skbuff: don't include <net/page_pool/types.h> to <linux/skbuff.h>
    https://git.kernel.org/netdev/net-next/c/75eaf63ea7af
  - [net-next,v4,3/6] page_pool: place frag_* fields in one cacheline
    https://git.kernel.org/netdev/net-next/c/06d0fbdad612
  - [net-next,v4,4/6] net: skbuff: avoid accessing page_pool if !napi_safe when returning page
    https://git.kernel.org/netdev/net-next/c/5b899c33b3b8
  - [net-next,v4,5/6] page_pool: add a lockdep check for recycling in hardirq
    https://git.kernel.org/netdev/net-next/c/ff4e538c8c3e
  - [net-next,v4,6/6] net: skbuff: always try to recycle PP pages directly when in softirq
    https://git.kernel.org/netdev/net-next/c/4a36d0180c45

You are awesome, thank you!
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