linux-kernel - Re: [PATCH v2 0/5] Introduce memcg_stock

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Date:   Fri, 3 Feb 2023 11:25:16 -0800
From:   Roman Gushchin <roman.gushchin@...ux.dev>
To:     Michal Hocko <mhocko@...e.com>
Cc:     Marcelo Tosatti <mtosatti@...hat.com>,
        Leonardo Brás <leobras@...hat.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Shakeel Butt <shakeelb@...gle.com>,
        Muchun Song <muchun.song@...ux.dev>,
        Andrew Morton <akpm@...ux-foundation.org>,
        cgroups@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Frederic Weisbecker <fweisbecker@...e.de>
Subject: Re: [PATCH v2 0/5] Introduce memcg_stock_pcp remote draining

On Fri, Feb 03, 2023 at 04:21:09PM +0100, Michal Hocko wrote:
> OK, so this is a speculative patch. cpu_is_isolated doesn't exist yet. I
> have talked to Frederic off-list and he is working on an implementation.
> I will be offline next whole week (will be back Feb 13th) so I am
> sending this early but this patch cannot be merged without his one of
> course.
> 
> I have tried to summarize the reasoning behind both approach should we
> ever need to revisit this approach. For now I strongly believe a simpler
> solution should be preferred.
> 
> Roman, I have added your ack as you indicated but if you disagree with
> the reasoning please let me know.

Great, thank you for preparing it up! Really nice summary.
My ack definitely applies.

If you want, feel free to add a
"Suggested-by: Roman Gushchin <roman.gushchin@...ux.dev>"
tag to blame me later :)

Thank you!