From: Tejun Heo <tj@kernel.org>
To: Waiman Long <longman@redhat.com>
Cc: "Johannes Weiner" <hannes@cmpxchg.org>,
"Michal Hocko" <mhocko@kernel.org>,
"Roman Gushchin" <roman.gushchin@linux.dev>,
"Shakeel Butt" <shakeel.butt@linux.dev>,
"Muchun Song" <muchun.song@linux.dev>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Michal Koutný" <mkoutny@suse.com>,
"Shuah Khan" <shuah@kernel.org>,
linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
linux-mm@kvack.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v2 1/2] memcg: Don't generate low/min events if either low/min or elow/emin is 0
Date: Fri, 4 Apr 2025 07:12:34 -1000 [thread overview]
Message-ID: <Z_ATAq-cwtv-9Atx@slm.duckdns.org> (raw)
In-Reply-To: <20250404012435.656045-1-longman@redhat.com>
Hello,
On Thu, Apr 03, 2025 at 09:24:34PM -0400, Waiman Long wrote:
...
> The simple and naive fix of changing the operator to ">", however,
> changes the memory reclaim behavior which can lead to other failures
> as low events are needed to facilitate memory reclaim. So we can't do
> that without some relatively riskier changes in memory reclaim.
I'm doubtful using ">" would change reclaim behavior in a meaningful way and
that'd be more straightforward. What do mm people think?
Thanks.
--
tejun
next prev parent reply other threads:[~2025-04-04 17:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-04 1:24 Waiman Long
2025-04-04 1:24 ` [PATCH v2 2/2] selftests: memcg: Increase error tolerance of child memory.current check in test_memcg_protection() Waiman Long
2025-04-04 17:12 ` Tejun Heo [this message]
2025-04-04 17:25 ` [PATCH v2 1/2] memcg: Don't generate low/min events if either low/min or elow/emin is 0 Waiman Long
2025-04-04 18:13 ` Johannes Weiner
2025-04-04 18:55 ` Waiman Long
2025-04-04 19:38 ` Johannes Weiner
2025-04-05 18:52 ` Waiman Long
2025-04-04 18:26 ` Michal Koutný
2025-04-04 19:01 ` Waiman Long
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=Z_ATAq-cwtv-9Atx@slm.duckdns.org \
--to=tj@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=cgroups@vger.kernel.org \
--cc=hannes@cmpxchg.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=longman@redhat.com \
--cc=mhocko@kernel.org \
--cc=mkoutny@suse.com \
--cc=muchun.song@linux.dev \
--cc=roman.gushchin@linux.dev \
--cc=shakeel.butt@linux.dev \
--cc=shuah@kernel.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox