From: Barry Song <21cnbao@gmail.com>
To: ValdikSS <iam@valdikss.org.ru>
Cc: Alexey Avramov <hakavlad@inbox.lv>, Linux-MM <linux-mm@kvack.org>,
Linux Doc Mailing List <linux-doc@vger.kernel.org>,
linux-fsdevel@vger.kernel.org,
LKML <linux-kernel@vger.kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Andrew Morton <akpm@linux-foundation.org>,
mcgrof@kernel.org, Kees Cook <keescook@chromium.org>,
yzaikin@google.com, oleksandr@natalenko.name, kernel@xanmod.org,
aros@gmx.com, hakavlad@gmail.com, Yu Zhao <yuzhao@google.com>
Subject: Re: [PATCH] mm/vmscan: add sysctl knobs for protecting the working set
Date: Mon, 13 Dec 2021 21:38:45 +1300 [thread overview]
Message-ID: <CAGsJ_4zMoV6UJGC_X-VRM7p8w68a0Q8sLVfS3sRFxuQUtHoASw@mail.gmail.com> (raw)
In-Reply-To: <2dc51fc8-f14e-17ed-a8c6-0ec70423bf54@valdikss.org.ru>
On Tue, Dec 7, 2021 at 5:47 AM ValdikSS <iam@valdikss.org.ru> wrote:
>
> This patchset is surprisingly effective and very useful for low-end PC
> with slow HDD, single-board ARM boards with slow storage, cheap Android
> smartphones with limited amount of memory. It almost completely prevents
> thrashing condition and aids in fast OOM killer invocation.
>
Can you please post your hardware information like what is the cpu, how much
memory you have and also post your sysctl knobs, like how do you set
vm.anon_min_kbytes, vm.clean_low_kbytes and vm.clean_min_kbytes?
> The similar file-locking patch is used in ChromeOS for nearly 10 years
> but not on stock Linux or Android. It would be very beneficial for
> lower-performance Android phones, SBCs, old PCs and other devices.
>
Can you post the link of the similar file-locking patch?
> With this patch, combined with zram, I'm able to run the following
> software on an old office PC from 2007 with __only 2GB of RAM__
> simultaneously:
>
> * Firefox with 37 active tabs (all data in RAM, no tab unloading)
> * Discord
> * Skype
> * LibreOffice with the document opened
> * Two PDF files (14 and 47 megabytes in size)
>
> And the PC doesn't crawl like a snail, even with 2+ GB in zram!
> Without the patch, this PC is barely usable.
> Please watch the video:
> https://notes.valdikss.org.ru/linux-for-old-pc-from-2007/en/
>
The video was captured before using this patch? what video says
"the result of the test computer after the configuration", what does
"the configuration" mean?
Thanks
Barry
next prev parent reply other threads:[~2021-12-13 8:38 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-30 11:16 [PATCH] mm/vmscan: add sysctl knobs for protecting the working set Alexey Avramov
2021-11-30 15:28 ` Luis Chamberlain
2021-11-30 18:56 ` Oleksandr Natalenko
2021-12-01 15:51 ` Alexey Avramov
2021-12-02 18:05 ` ValdikSS
2021-12-02 21:58 ` Andrew Morton
2021-12-03 11:59 ` Vlastimil Babka
2021-12-03 13:27 ` Alexey Avramov
2021-12-06 9:59 ` Michal Hocko
2022-01-09 22:59 ` Barry Song
2021-12-03 14:01 ` Oleksandr Natalenko
2021-12-12 20:15 ` Alexey Avramov
2021-12-13 9:06 ` Barry Song
2021-12-13 9:07 ` Michal Hocko
2021-12-13 8:38 ` Barry Song [this message]
2022-01-25 8:19 ` ValdikSS
2022-02-12 0:01 ` Barry Song
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