linux-kernel - Re: [page-reclaim] Re: [GIT PULL] Multi-gen LRU for 5.18-rc1

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Date:   Sat, 26 Mar 2022 13:49:28 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Yu Zhao <yuzhao@...gle.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Aneesh Kumar <aneesh.kumar@...ux.ibm.com>,
        Barry Song <baohua@...nel.org>,
        Brian Geffon <bgeffon@...gle.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Daniel Byrne <djbyrne@....edu>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Donald Carr <d@...os-reins.com>,
        Hillf Danton <hdanton@...a.com>,
        Holger Hoffstätte 
        <holger@...lied-asynchrony.com>,
        Jan Alexander Steffens <heftig@...hlinux.org>,
        Jens Axboe <axboe@...nel.dk>,
        Jesse Barnes <jsbarnes@...gle.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Jonathan Corbet <corbet@....net>,
        Konstantin Kharlamov <Hi-Angel@...dex.ru>,
        Matthew Wilcox <willy@...radead.org>,
        Mel Gorman <mgorman@...e.de>,
        Michael Larabel <Michael@...haellarabel.com>,
        Michal Hocko <mhocko@...nel.org>,
        Mike Rapoport <rppt@...nel.org>,
        Oleksandr Natalenko <oleksandr@...alenko.name>,
        Rik van Riel <riel@...riel.com>,
        Shuang Zhai <szhai2@...rochester.edu>,
        Sofia Trinh <sofia.trinh@....works>,
        Steven Barrett <steven@...uorix.net>,
        Suleiman Souhlal <suleiman@...gle.com>,
        Vaibhav Jain <vaibhav@...ux.ibm.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Will Deacon <will@...nel.org>,
        Ying Huang <ying.huang@...el.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>,
        Kernel Page Reclaim v2 <page-reclaim@...gle.com>,
        "the arch/x86 maintainers" <x86@...nel.org>
Subject: Re: [page-reclaim] Re: [GIT PULL] Multi-gen LRU for 5.18-rc1

On Fri, 25 Mar 2022 19:16:15 -0600 Yu Zhao <yuzhao@...gle.com> wrote:

> On Fri, Mar 25, 2022 at 7:07 PM Linus Torvalds
> <torvalds@...ux-foundation.org> wrote:
> >
> > On Fri, Mar 25, 2022 at 6:00 PM Yu Zhao <yuzhao@...gle.com> wrote:
> > >
> > > This is more of an option than a request for 5.18. I'm sending it to
> > > you directly because, in my judgement, it's now as ready as it'll ever
> > > be.
> >
> > So I do expect to merge this, but I don't think it has been in
> > linux-next, has it?
> 
> No. I could ask Stephen to see if he is willing to take this series. I
> was hoping to go through Andrew since his tree is what most MM
> developers test. I haven't heard from Andrew, so I assume he has no
> strong opinion and I don't want to put him in a different position.

hm, sorry, something in the headers here fooled my (elaborate) procmail
rules :(

Please yes, let's have a cycle in -next.  I thought we decided to do
that in discussion with Matthew Wilcox?

Also, sorry, but I'm not seeing many commonly-seen names amongst the
reviewers.  I'd be more comfortable if people who have done most work on
page reclaim up to this time have had time to review and comment.