netdev - Re: [PATCH net-next 6/7] net: keep sk->sk_forward

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Date:   Thu, 13 Oct 2022 08:52:49 -0700
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Eric Dumazet <edumazet@...gle.com>
Cc:     K Prateek Nayak <kprateek.nayak@....com>,
        Eric Dumazet <eric.dumazet@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        netdev <netdev@...r.kernel.org>,
        Soheil Hassas Yeganeh <soheil@...gle.com>,
        Wei Wang <weiwan@...gle.com>,
        Neal Cardwell <ncardwell@...gle.com>,
        Gautham Shenoy <gautham.shenoy@....com>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Chen Yu <yu.c.chen@...el.com>,
        Abel Wu <wuyun.abel@...edance.com>,
        Yicong Yang <yangyicong@...ilicon.com>
Subject: Re: [PATCH net-next 6/7] net: keep sk->sk_forward_alloc as small as possible

On Thu, Oct 13, 2022 at 7:35 AM Eric Dumazet <edumazet@...gle.com> wrote:
>
[...]
> The only regression that has been noticed was when memcg was in the picture.
> Shakeel Butt sent patches to address this specific mm issue.
> Not sure what happened to the series (
> https://patchwork.kernel.org/project/linux-mm/list/?series=669584 )
>

That series has been merged into Linus tree for 6.1-rc1.

Prateek, are you running the benchmarks in memory cgroups? Can you
also test the latest Linus tree (or 6.1-rc1 when available) and see if
the regression is still there?

thanks,
Shakeel