lkml.org 
[lkml]   [2024]   [Apr]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH net-next 0/2] page_pool: allow direct bulk recycling
From
Date
Hello:

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

On Fri, 29 Mar 2024 17:55:05 +0100 you wrote:
> Previously, there was no reliable way to check whether it's safe to use
> direct PP cache. The drivers were passing @allow_direct to the PP
> recycling functions and that was it. Bulk recycling is used by
> xdp_return_frame_bulk() on .ndo_xdp_xmit() frames completion where
> the page origin is unknown, thus the direct recycling has never been
> tried.
> Now that we have at least 2 ways of checking if we're allowed to perform
> direct recycling -- pool->p.napi (Jakub) and pool->cpuid (Lorenzo), we
> can use them when doing bulk recycling as well. Just move that logic
> from the skb core to the PP core and call it before
> __page_pool_put_page() every time @allow_direct is false.
> Under high .ndo_xdp_xmit() traffic load, the win is 2-3% Pps assuming
> the sending driver uses xdp_return_frame_bulk() on Tx completion.
>
> [...]

Here is the summary with links:
- [net-next,1/2] page_pool: check for PP direct cache locality later
https://git.kernel.org/netdev/net-next/c/4a96a4e807c3
- [net-next,2/2] page_pool: try direct bulk recycling
https://git.kernel.org/netdev/net-next/c/39806b96c89a

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



\
 
 \ /
  Last update: 2024-05-27 16:20    [W:0.069 / U:0.128 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site