linux-kernel - Re: [PATCH v6 0/9] Multigenerational LRU Framework

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Date:   Thu, 13 Jan 2022 01:59:54 -0700
From:   Yu Zhao <yuzhao@...gle.com>
To:     Oleksandr Natalenko <oleksandr@...alenko.name>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Hillf Danton <hdanton@...a.com>, Jens Axboe <axboe@...nel.dk>,
        Jesse Barnes <jsbarnes@...gle.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Jonathan Corbet <corbet@....net>,
        Matthew Wilcox <willy@...radead.org>,
        Mel Gorman <mgorman@...e.de>,
        Michael Larabel <Michael@...haellarabel.com>,
        Michal Hocko <mhocko@...nel.org>,
        Rik van Riel <riel@...riel.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Will Deacon <will@...nel.org>,
        Ying Huang <ying.huang@...el.com>,
        linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        page-reclaim@...gle.com, x86@...nel.org
Subject: Re: [PATCH v6 0/9] Multigenerational LRU Framework

On Wed, Jan 12, 2022 at 09:56:58PM +0100, Oleksandr Natalenko wrote:
> Hello.
> 
> On úterý 4. ledna 2022 21:22:19 CET Yu Zhao wrote:
> > TLDR
> > ====
> > The current page reclaim is too expensive in terms of CPU usage and it
> > often makes poor choices about what to evict. This patchset offers an
> > alternative solution that is performant, versatile and
> > straightforward.

<snipped>

> For the series:
> 
> Tested-by: Oleksandr Natalenko <oleksandr@...alenko.name>
> 
> I run this (and one of the previous spins) on nine machines (physical, virtual, workstations, servers) for quite some time with no hassle.
> 
> Thanks for your job, and please keep me in Cc once you post new spins. I'm more than happy to deploy those across the fleet.

Thanks, Oleksandr. And if I may take the liberty of introducing you as:

   Oleksandr - the post-factum kernel maintainer
               https://gitlab.com/post-factum/pf-kernel

in addition to other downstream kernel maintainers I've introduced:

>   Alexandre - the XanMod kernel maintainer
>               https://xanmod.org
>
>   Brian     - the Chrome OS kernel memory maintainer
>               https://www.chromium.org
>
>   Jan       - the Arch Linux Zen kernel maintainer
>               https://archlinux.org
>
>   Steven    - the Liquorix kernel maintainer
>               https://liquorix.net
>
>   Suleiman  - the ARCVM (Android downstream) kernel memory maintainer
>               https://chromium.googlesource.com/chromiumos/third_party/kernel