From: Wei Yang <richard.weiyang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Michal Hocko <mhocko-IBi9RG/b67k@public.gmane.org>,
hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org
Cc: Wei Yang
<richard.weiyang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
vdavydov.dev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org
Subject: Re: [PATCH 3/3] mm/memcg: add next_mz back if not reclaimed yet
Date: Wed, 9 Mar 2022 00:46:20 +0000 [thread overview]
Message-ID: <20220309004620.fgotfh4wsquscbfn@master> (raw)
In-Reply-To: <YicRNofU+L1cKIQp-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
On Tue, Mar 08, 2022 at 09:17:58AM +0100, Michal Hocko wrote:
>On Tue 08-03-22 01:20:47, Wei Yang wrote:
>> next_mz is removed from rb_tree, let's add it back if no reclaim has
>> been tried.
>
>Could you elaborate more why we need/want this?
>
Per my understanding, we add back the right most node even reclaim makes no
progress, so it is reasonable to add back a node if we didn't get a chance to
do reclaim on it.
It looks like we forget to add it back to the tree. Maybe Johannes know some
background why we don't add it back?
--
Wei Yang
Help you, Help me
next prev parent reply other threads:[~2022-03-09 0:46 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-08 1:20 [PATCH 1/3] mm/memcg: mz already removed from rb_tree in mem_cgroup_largest_soft_limit_node() Wei Yang
[not found] ` <20220308012047.26638-1-richard.weiyang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2022-03-08 1:20 ` [PATCH 2/3] mm/memcg: __mem_cgroup_remove_exceeded could handle a !on-tree mz properly Wei Yang
2022-03-08 1:20 ` [PATCH 3/3] mm/memcg: add next_mz back if not reclaimed yet Wei Yang
[not found] ` <20220308012047.26638-3-richard.weiyang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2022-03-08 8:17 ` Michal Hocko
[not found] ` <YicRNofU+L1cKIQp-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2022-03-09 0:46 ` Wei Yang [this message]
2022-03-09 13:48 ` Michal Hocko
[not found] ` <YiiwPaCESiTuH22a-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2022-03-10 1:13 ` Wei Yang
2022-03-10 8:53 ` Michal Hocko
[not found] ` <Yim8p0C4CxC6SskI-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2022-03-10 23:57 ` Wei Yang
2022-03-10 8:59 ` Michal Hocko
[not found] ` <Yim98uGgFjTu2HeK-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2022-03-10 23:55 ` Wei Yang
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=20220309004620.fgotfh4wsquscbfn@master \
--to=richard.weiyang-re5jqeeqqe8avxtiumwx3w@public.gmane.org \
--cc=akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org \
--cc=cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org \
--cc=linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org \
--cc=mhocko-IBi9RG/b67k@public.gmane.org \
--cc=vdavydov.dev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.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