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

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Message-ID: <CAHk-=whbdpeeKbCYggJqfk0ExEPyxSW-yXSsNUqsGpd5ozt-Kg@mail.gmail.com>
Date:   Sat, 26 Mar 2022 13:27:44 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Yu Zhao <yuzhao@...gle.com>
Cc:     Andi Kleen <ak@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        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, Mar 25, 2022 at 6:16 PM Yu Zhao <yuzhao@...gle.com> wrote:
>
> 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.

So I'd definitely want to see this in linux-next for a while, which
implies it's not ready for this merge window.

I'm not convinced linux-next sees a lot of runtime testing (but it
gets *some* of that too, certainly), but it does get a fair amount of
at least build verification with a lot of odd configurations and a lot
of different architectures.

                Linus