linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Alexey Avramov <hakavlad@inbox.lv>
To: Mel Gorman <mgorman@techsingularity.net>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	mhocko@suse.com, vbabka@suse.cz, neilb@suse.de,
	akpm@linux-foundation.org, corbet@lwn.net, riel@surriel.com,
	hannes@cmpxchg.org, david@fromorbit.com, willy@infradead.org,
	hdanton@sina.com, penguin-kernel@i-love.sakura.ne.jp,
	oleksandr@natalenko.name, kernel@xanmod.org,
	michael@michaellarabel.com, aros@gmx.com, hakavlad@gmail.com
Subject: Re: mm: 5.16 regression: reclaim_throttle leads to stall in near-OOM conditions
Date: Wed, 24 Nov 2021 19:54:49 +0900	[thread overview]
Message-ID: <20211124195449.33f31e7f@mail.inbox.lv> (raw)
In-Reply-To: <20211124103550.GE3366@techsingularity.net>

> it does eventually get killed OOM

However, a full minute freeze can be a great evil in many situations - 
during such a freeze, the system is completely unresponsive. 

So my next question is: How reasonable is the value MAX_RECLAIM_RETRIES?
Is it also get "out of thin air"?

And would it make sense to have buttons to adjust the timeouts?

  reply	other threads:[~2021-11-24 10:55 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-23 16:19 Alexey Avramov
2021-11-24  7:40 ` Thorsten Leemhuis
2021-11-24 10:35 ` Mel Gorman
2021-11-24 10:54   ` Alexey Avramov [this message]
2021-11-24 11:50     ` Mel Gorman
2021-11-24 12:03       ` Alexey Avramov
2021-11-24 12:44       ` Alexey Avramov
2021-11-24 14:33         ` Mel Gorman
2021-11-26 16:06           ` Alexey Avramov
2021-11-26 16:24             ` Mel Gorman
2021-12-20  8:50               ` Sultan Alsawaf
2021-11-27 19:37           ` Alexey Avramov

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=20211124195449.33f31e7f@mail.inbox.lv \
    --to=hakavlad@inbox.lv \
    --cc=akpm@linux-foundation.org \
    --cc=aros@gmx.com \
    --cc=corbet@lwn.net \
    --cc=david@fromorbit.com \
    --cc=hakavlad@gmail.com \
    --cc=hannes@cmpxchg.org \
    --cc=hdanton@sina.com \
    --cc=kernel@xanmod.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mgorman@techsingularity.net \
    --cc=mhocko@suse.com \
    --cc=michael@michaellarabel.com \
    --cc=neilb@suse.de \
    --cc=oleksandr@natalenko.name \
    --cc=penguin-kernel@i-love.sakura.ne.jp \
    --cc=riel@surriel.com \
    --cc=vbabka@suse.cz \
    --cc=willy@infradead.org \
    --subject='Re: mm: 5.16 regression: reclaim_throttle leads to stall in near-OOM conditions' \
    /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

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).