From: Linus Torvalds <torvalds@linux-foundation.org>
To: Jesse Barnes <jsbarnes@google.com>
Cc: Yu Zhao <yuzhao@google.com>, Michal Hocko <mhocko@suse.com>,
Andrew Morton <akpm@linux-foundation.org>,
Andi Kleen <ak@linux.intel.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Hillf Danton <hdanton@sina.com>, Jens Axboe <axboe@kernel.dk>,
Johannes Weiner <hannes@cmpxchg.org>,
Jonathan Corbet <corbet@lwn.net>,
Matthew Wilcox <willy@infradead.org>,
Mel Gorman <mgorman@suse.de>,
Michael Larabel <Michael@michaellarabel.com>,
Rik van Riel <riel@surriel.com>, Vlastimil Babka <vbabka@suse.cz>,
Will Deacon <will@kernel.org>, Ying Huang <ying.huang@intel.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux-MM <linux-mm@kvack.org>,
page-reclaim@google.com, X86 ML <x86@kernel.org>
Subject: Re: [PATCH v6 0/9] Multigenerational LRU Framework
Date: Mon, 10 Jan 2022 17:41:58 -0800 [thread overview]
Message-ID: <CAHk-=whAOM+xQm9vMe33qf8X1LX2QQZ7RBgKe_KH2C3LB=6Jdw@mail.gmail.com> (raw)
In-Reply-To: <CAJmaN=n=kn9-gC8if5wp8Gfj7uN+QVrX0ex=9JPXC7rPvGf1Qg@mail.gmail.com>
On Mon, Jan 10, 2022 at 2:46 PM Jesse Barnes <jsbarnes@google.com> wrote:
>
> So unless we want to eschew big mm changes entirely (we shouldn't!
> look at net or scheduling for how important big rewrites are to
> progress), I think we should be open to experimenting with new stuff.
So I personally think this is worth going with, partly simply due to
the reported improvements that have been measured.
But also to a large extent because the whole notion of doing
multi-generational LRU isn't exactly some wackadoodle crazy thing. We
already do active vs inactive, the whole multi-generational thing just
doesn't seem to be so "far out".
But yes, numbers talk, and I get the feeling that we just need to try
it. Maybe not 5.17, but..
Linus
WARNING: multiple messages have this Message-ID (diff)
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Jesse Barnes <jsbarnes@google.com>
Cc: Yu Zhao <yuzhao@google.com>, Michal Hocko <mhocko@suse.com>,
Andrew Morton <akpm@linux-foundation.org>,
Andi Kleen <ak@linux.intel.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Hillf Danton <hdanton@sina.com>, Jens Axboe <axboe@kernel.dk>,
Johannes Weiner <hannes@cmpxchg.org>,
Jonathan Corbet <corbet@lwn.net>,
Matthew Wilcox <willy@infradead.org>,
Mel Gorman <mgorman@suse.de>,
Michael Larabel <Michael@michaellarabel.com>,
Rik van Riel <riel@surriel.com>,
Vlastimil Babka <vbabka@suse.cz>, Will Deacon <will@kernel.org>,
Ying Huang <ying.huang@intel.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux-MM <linux-mm@kvack.org>,
page-reclaim@google.com, X86 ML <x86@kernel.org>
Subject: Re: [PATCH v6 0/9] Multigenerational LRU Framework
Date: Mon, 10 Jan 2022 17:41:58 -0800 [thread overview]
Message-ID: <CAHk-=whAOM+xQm9vMe33qf8X1LX2QQZ7RBgKe_KH2C3LB=6Jdw@mail.gmail.com> (raw)
In-Reply-To: <CAJmaN=n=kn9-gC8if5wp8Gfj7uN+QVrX0ex=9JPXC7rPvGf1Qg@mail.gmail.com>
On Mon, Jan 10, 2022 at 2:46 PM Jesse Barnes <jsbarnes@google.com> wrote:
>
> So unless we want to eschew big mm changes entirely (we shouldn't!
> look at net or scheduling for how important big rewrites are to
> progress), I think we should be open to experimenting with new stuff.
So I personally think this is worth going with, partly simply due to
the reported improvements that have been measured.
But also to a large extent because the whole notion of doing
multi-generational LRU isn't exactly some wackadoodle crazy thing. We
already do active vs inactive, the whole multi-generational thing just
doesn't seem to be so "far out".
But yes, numbers talk, and I get the feeling that we just need to try
it. Maybe not 5.17, but..
Linus
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-01-11 1:42 UTC|newest]
Thread overview: 223+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-04 20:22 [PATCH v6 0/9] Multigenerational LRU Framework Yu Zhao
2022-01-04 20:22 ` Yu Zhao
2022-01-04 20:22 ` [PATCH v6 1/9] mm: x86, arm64: add arch_has_hw_pte_young() Yu Zhao
2022-01-04 20:22 ` Yu Zhao
2022-01-05 10:45 ` Will Deacon
2022-01-05 10:45 ` Will Deacon
2022-01-05 20:47 ` Yu Zhao
2022-01-05 20:47 ` Yu Zhao
2022-01-06 10:30 ` Will Deacon
2022-01-06 10:30 ` Will Deacon
2022-01-07 7:25 ` Yu Zhao
2022-01-07 7:25 ` Yu Zhao
2022-01-11 14:19 ` Will Deacon
2022-01-11 14:19 ` Will Deacon
2022-01-11 22:27 ` Yu Zhao
2022-01-11 22:27 ` Yu Zhao
2022-01-04 20:22 ` [PATCH v6 2/9] mm: x86: add CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG Yu Zhao
2022-01-04 20:22 ` Yu Zhao
2022-01-04 21:24 ` Linus Torvalds
2022-01-04 21:24 ` Linus Torvalds
2022-01-04 20:22 ` [PATCH v6 3/9] mm/vmscan.c: refactor shrink_node() Yu Zhao
2022-01-04 20:22 ` Yu Zhao
2022-01-04 20:22 ` [PATCH v6 4/9] mm: multigenerational lru: groundwork Yu Zhao
2022-01-04 20:22 ` Yu Zhao
2022-01-04 21:34 ` Linus Torvalds
2022-01-04 21:34 ` Linus Torvalds
2022-01-11 8:16 ` Aneesh Kumar K.V
2022-01-11 8:16 ` Aneesh Kumar K.V
2022-01-12 2:16 ` Yu Zhao
2022-01-12 2:16 ` Yu Zhao
2022-01-04 20:22 ` [PATCH v6 5/9] mm: multigenerational lru: mm_struct list Yu Zhao
2022-01-04 20:22 ` Yu Zhao
2022-01-07 9:06 ` Michal Hocko
2022-01-07 9:06 ` Michal Hocko
2022-01-08 0:19 ` Yu Zhao
2022-01-08 0:19 ` Yu Zhao
2022-01-10 15:21 ` Michal Hocko
2022-01-10 15:21 ` Michal Hocko
2022-01-12 8:08 ` Yu Zhao
2022-01-12 8:08 ` Yu Zhao
2022-01-04 20:22 ` [PATCH v6 6/9] mm: multigenerational lru: aging Yu Zhao
2022-01-04 20:22 ` Yu Zhao
2022-01-06 16:06 ` Michal Hocko
2022-01-06 16:06 ` Michal Hocko
2022-01-06 21:27 ` Yu Zhao
2022-01-06 21:27 ` Yu Zhao
2022-01-07 8:43 ` Michal Hocko
2022-01-07 8:43 ` Michal Hocko
2022-01-07 21:12 ` Yu Zhao
2022-01-07 21:12 ` Yu Zhao
2022-01-06 16:12 ` Michal Hocko
2022-01-06 16:12 ` Michal Hocko
2022-01-06 21:41 ` Yu Zhao
2022-01-06 21:41 ` Yu Zhao
2022-01-07 8:55 ` Michal Hocko
2022-01-07 8:55 ` Michal Hocko
2022-01-07 9:00 ` Michal Hocko
2022-01-07 9:00 ` Michal Hocko
2022-01-10 3:58 ` Yu Zhao
2022-01-10 3:58 ` Yu Zhao
2022-01-10 14:37 ` Michal Hocko
2022-01-10 14:37 ` Michal Hocko
2022-01-13 9:43 ` Yu Zhao
2022-01-13 9:43 ` Yu Zhao
2022-01-13 12:02 ` Michal Hocko
2022-01-13 12:02 ` Michal Hocko
2022-01-19 6:31 ` Yu Zhao
2022-01-19 6:31 ` Yu Zhao
2022-01-19 9:44 ` Michal Hocko
2022-01-19 9:44 ` Michal Hocko
2022-01-10 15:01 ` Michal Hocko
2022-01-10 15:01 ` Michal Hocko
2022-01-10 16:01 ` Vlastimil Babka
2022-01-10 16:01 ` Vlastimil Babka
2022-01-10 16:25 ` Michal Hocko
2022-01-10 16:25 ` Michal Hocko
2022-01-11 23:16 ` Yu Zhao
2022-01-11 23:16 ` Yu Zhao
2022-01-12 10:28 ` Michal Hocko
2022-01-12 10:28 ` Michal Hocko
2022-01-13 9:25 ` Yu Zhao
2022-01-13 9:25 ` Yu Zhao
2022-01-07 13:11 ` Michal Hocko
2022-01-07 13:11 ` Michal Hocko
2022-01-07 23:36 ` Yu Zhao
2022-01-07 23:36 ` Yu Zhao
2022-01-10 15:35 ` Michal Hocko
2022-01-10 15:35 ` Michal Hocko
2022-01-11 1:18 ` Yu Zhao
2022-01-11 1:18 ` Yu Zhao
2022-01-11 9:00 ` Michal Hocko
2022-01-11 9:00 ` Michal Hocko
[not found] ` <1641900108.61dd684cb0e59@mail.inbox.lv>
2022-01-11 12:15 ` Michal Hocko
2022-01-11 12:15 ` Michal Hocko
2022-01-13 17:00 ` Alexey Avramov
2022-01-13 17:00 ` Alexey Avramov
2022-01-11 14:22 ` Alexey Avramov
2022-01-11 14:22 ` Alexey Avramov
2022-01-07 14:44 ` Michal Hocko
2022-01-07 14:44 ` Michal Hocko
2022-01-10 4:47 ` Yu Zhao
2022-01-10 4:47 ` Yu Zhao
2022-01-10 10:54 ` Michal Hocko
2022-01-10 10:54 ` Michal Hocko
2022-01-19 7:04 ` Yu Zhao
2022-01-19 7:04 ` Yu Zhao
2022-01-19 9:42 ` Michal Hocko
2022-01-19 9:42 ` Michal Hocko
2022-01-23 21:28 ` Yu Zhao
2022-01-23 21:28 ` Yu Zhao
2022-01-24 14:01 ` Michal Hocko
2022-01-24 14:01 ` Michal Hocko
2022-01-10 16:57 ` Michal Hocko
2022-01-10 16:57 ` Michal Hocko
2022-01-12 1:01 ` Yu Zhao
2022-01-12 1:01 ` Yu Zhao
2022-01-12 10:17 ` Michal Hocko
2022-01-12 10:17 ` Michal Hocko
2022-01-12 23:43 ` Yu Zhao
2022-01-12 23:43 ` Yu Zhao
2022-01-13 11:57 ` Michal Hocko
2022-01-13 11:57 ` Michal Hocko
2022-01-23 21:40 ` Yu Zhao
2022-01-23 21:40 ` Yu Zhao
2022-01-04 20:22 ` [PATCH v6 7/9] mm: multigenerational lru: eviction Yu Zhao
2022-01-04 20:22 ` Yu Zhao
2022-01-11 10:37 ` Aneesh Kumar K.V
2022-01-11 10:37 ` Aneesh Kumar K.V
2022-01-12 8:05 ` Yu Zhao
2022-01-12 8:05 ` Yu Zhao
2022-01-04 20:22 ` [PATCH v6 8/9] mm: multigenerational lru: user interface Yu Zhao
2022-01-04 20:22 ` Yu Zhao
2022-01-10 10:27 ` Mike Rapoport
2022-01-10 10:27 ` Mike Rapoport
2022-01-12 8:35 ` Yu Zhao
2022-01-12 8:35 ` Yu Zhao
2022-01-12 10:31 ` Michal Hocko
2022-01-12 10:31 ` Michal Hocko
2022-01-12 15:45 ` Mike Rapoport
2022-01-12 15:45 ` Mike Rapoport
2022-01-13 9:47 ` Yu Zhao
2022-01-13 9:47 ` Yu Zhao
2022-01-13 10:31 ` Aneesh Kumar K.V
2022-01-13 10:31 ` Aneesh Kumar K.V
2022-01-13 23:02 ` Yu Zhao
2022-01-13 23:02 ` Yu Zhao
2022-01-14 5:20 ` Aneesh Kumar K.V
2022-01-14 5:20 ` Aneesh Kumar K.V
2022-01-14 6:50 ` Yu Zhao
2022-01-14 6:50 ` Yu Zhao
2022-01-04 20:22 ` [PATCH v6 9/9] mm: multigenerational lru: Kconfig Yu Zhao
2022-01-04 20:22 ` Yu Zhao
2022-01-04 21:39 ` Linus Torvalds
2022-01-04 21:39 ` Linus Torvalds
2022-01-04 20:22 ` [PATCH v6 0/9] Multigenerational LRU Framework Yu Zhao
2022-01-04 20:30 ` Yu Zhao
2022-01-04 20:30 ` Yu Zhao
2022-01-04 21:43 ` Linus Torvalds
2022-01-04 21:43 ` Linus Torvalds
2022-01-05 21:12 ` Yu Zhao
2022-01-05 21:12 ` Yu Zhao
2022-01-07 9:38 ` Michal Hocko
2022-01-07 9:38 ` Michal Hocko
2022-01-07 18:45 ` Yu Zhao
2022-01-07 18:45 ` Yu Zhao
2022-01-10 15:39 ` Michal Hocko
2022-01-10 15:39 ` Michal Hocko
2022-01-10 22:04 ` Yu Zhao
2022-01-10 22:04 ` Yu Zhao
2022-01-10 22:46 ` Jesse Barnes
2022-01-10 22:46 ` Jesse Barnes
2022-01-11 1:41 ` Linus Torvalds [this message]
2022-01-11 1:41 ` Linus Torvalds
2022-01-11 10:40 ` Michal Hocko
2022-01-11 10:40 ` Michal Hocko
2022-01-11 8:41 ` Yu Zhao
2022-01-11 8:41 ` Yu Zhao
2022-01-11 8:53 ` Holger Hoffstätte
2022-01-11 8:53 ` Holger Hoffstätte
2022-01-11 9:26 ` Jan Alexander Steffens (heftig)
2022-01-11 16:04 ` Shuang Zhai
2022-01-11 16:04 ` Shuang Zhai
2022-01-12 1:46 ` Suleiman Souhlal
2022-01-12 1:46 ` Suleiman Souhlal
2022-01-12 6:07 ` Sofia Trinh
2022-01-12 6:07 ` Sofia Trinh
2022-01-12 16:17 ` Daniel Byrne
2022-01-18 9:21 ` Yu Zhao
2022-01-18 9:21 ` Yu Zhao
2022-01-18 9:36 ` Donald Carr
2022-01-18 9:36 ` Donald Carr
2022-01-19 20:19 ` Steven Barrett
2022-01-19 20:19 ` Steven Barrett
2022-01-19 22:25 ` Brian Geffon
2022-01-19 22:25 ` Brian Geffon
2022-01-05 2:44 ` Shuang Zhai
2022-01-05 2:44 ` Shuang Zhai
2022-01-05 8:55 ` SeongJae Park
2022-01-05 8:55 ` SeongJae Park
2022-01-05 10:53 ` Yu Zhao
2022-01-05 10:53 ` Yu Zhao
2022-01-05 11:12 ` Borislav Petkov
2022-01-05 11:12 ` Borislav Petkov
2022-01-05 11:25 ` SeongJae Park
2022-01-05 11:25 ` SeongJae Park
2022-01-05 21:06 ` Yu Zhao
2022-01-05 21:06 ` Yu Zhao
2022-01-10 14:49 ` Alexey Avramov
2022-01-10 14:49 ` Alexey Avramov
2022-01-11 10:24 ` Alexey Avramov
2022-01-11 10:24 ` Alexey Avramov
2022-01-12 20:56 ` Oleksandr Natalenko
2022-01-12 20:56 ` Oleksandr Natalenko
2022-01-13 8:59 ` Yu Zhao
2022-01-13 8:59 ` Yu Zhao
2022-01-23 5:43 ` Barry Song
2022-01-23 5:43 ` Barry Song
2022-01-25 6:48 ` Yu Zhao
2022-01-25 6:48 ` Yu Zhao
2022-01-28 8:54 ` Barry Song
2022-01-28 8:54 ` Barry Song
2022-02-08 9:16 ` Yu Zhao
2022-02-08 9:16 ` Yu Zhao
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAHk-=whAOM+xQm9vMe33qf8X1LX2QQZ7RBgKe_KH2C3LB=6Jdw@mail.gmail.com' \
--to=torvalds@linux-foundation.org \
--cc=Michael@michaellarabel.com \
--cc=ak@linux.intel.com \
--cc=akpm@linux-foundation.org \
--cc=axboe@kernel.dk \
--cc=catalin.marinas@arm.com \
--cc=corbet@lwn.net \
--cc=dave.hansen@linux.intel.com \
--cc=hannes@cmpxchg.org \
--cc=hdanton@sina.com \
--cc=jsbarnes@google.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mgorman@suse.de \
--cc=mhocko@suse.com \
--cc=page-reclaim@google.com \
--cc=riel@surriel.com \
--cc=vbabka@suse.cz \
--cc=will@kernel.org \
--cc=willy@infradead.org \
--cc=x86@kernel.org \
--cc=ying.huang@intel.com \
--cc=yuzhao@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.