From: Michal Hocko <mhocko@suse.com>
To: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Roman Gushchin <roman.gushchin@linux.dev>,
Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Muchun Song <muchun.song@linux.dev>,
Hugh Dickins <hughd@google.com>,
linux-mm@kvack.org, cgroups@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-doc@vger.kernel.org,
Meta kernel team <kernel-team@meta.com>
Subject: Re: [RFC PATCH 3/3] memcg-v1: remove memcg move locking code
Date: Thu, 24 Oct 2024 21:45:50 +0200 [thread overview]
Message-ID: <Zxqj7hw6Q6ak8aJf@tiehlicka> (raw)
In-Reply-To: <7w4xusjyyobyvacm6ogc3q2l26r2vema5rxlb5oqlhs4hpqiu3@dfbde5arh3rg>
On Thu 24-10-24 10:26:15, Shakeel Butt wrote:
> On Thu, Oct 24, 2024 at 04:50:37PM GMT, Roman Gushchin wrote:
> > On Wed, Oct 23, 2024 at 11:57:12PM -0700, Shakeel Butt wrote:
> > > The memcg v1's charge move feature has been deprecated. There is no need
> > > to have any locking or protection against the moving charge. Let's
> > > proceed to remove all the locking code related to charge moving.
> > >
> > > Signed-off-by: Shakeel Butt <shakeel.butt@linux.dev>
> >
> > Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
>
> Thanks Roman for the review. Based on Michal's question, I am planning
> to keep the RCU locking in the next version of this patch and folowup
> with clear understanding where we really need RCU and where we don't.
I think it would be safer and easier to review if we drop each RCU
separately or in smaller batches.
Thanks!
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2024-10-24 19:45 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-25 1:22 [PATCH v1 0/6] memcg-v1: fully deprecate charge moving Shakeel Butt
2024-10-24 6:57 ` [RFC PATCH 0/3] " Shakeel Butt
2024-10-24 6:57 ` [RFC PATCH 1/3] memcg-v1: fully deprecate move_charge_at_immigrate Shakeel Butt
2024-10-24 9:14 ` Michal Hocko
2024-10-24 16:51 ` Roman Gushchin
2024-10-24 17:16 ` Shakeel Butt
2024-10-24 16:49 ` Roman Gushchin
2024-10-24 6:57 ` [RFC PATCH 2/3] memcg-v1: remove charge move code Shakeel Butt
2024-10-24 9:14 ` Michal Hocko
2024-10-24 16:50 ` Roman Gushchin
2024-10-24 6:57 ` [RFC PATCH 3/3] memcg-v1: remove memcg move locking code Shakeel Butt
2024-10-24 9:16 ` Michal Hocko
2024-10-24 17:23 ` Shakeel Butt
2024-10-24 18:54 ` Roman Gushchin
2024-10-24 19:38 ` Shakeel Butt
2024-10-24 16:50 ` Roman Gushchin
2024-10-24 17:26 ` Shakeel Butt
2024-10-24 19:45 ` Michal Hocko [this message]
2024-10-24 20:32 ` Yosry Ahmed
2024-10-24 21:08 ` Michal Hocko
2024-10-25 1:23 ` Shakeel Butt
2024-10-25 1:22 ` [PATCH v1 1/6] memcg-v1: fully deprecate move_charge_at_immigrate Shakeel Butt
2024-10-25 6:54 ` Michal Hocko
2024-10-28 13:53 ` Johannes Weiner
2024-10-25 1:22 ` [PATCH v1 2/6] memcg-v1: remove charge move code Shakeel Butt
2024-10-28 10:22 ` David Hildenbrand
2024-10-28 10:40 ` David Hildenbrand
2024-10-28 13:54 ` Johannes Weiner
2024-10-25 1:23 ` [PATCH v1 3/6] memcg-v1: no need for memcg locking for dirty tracking Shakeel Butt
2024-10-25 6:56 ` Michal Hocko
2024-10-25 16:22 ` Shakeel Butt
2024-10-25 17:40 ` Roman Gushchin
2024-10-28 14:00 ` Johannes Weiner
2024-10-25 1:23 ` [PATCH v1 4/6] memcg-v1: no need for memcg locking for writeback tracking Shakeel Butt
2024-10-25 6:57 ` Michal Hocko
2024-10-25 17:40 ` Roman Gushchin
2024-10-28 14:00 ` Johannes Weiner
2024-10-25 1:23 ` [PATCH v1 5/6] memcg-v1: no need for memcg locking for MGLRU Shakeel Butt
2024-10-25 17:41 ` Roman Gushchin
2024-10-26 3:55 ` Yu Zhao
2024-10-26 6:20 ` Shakeel Butt
2024-10-26 6:34 ` Shakeel Butt
2024-10-26 15:26 ` Yu Zhao
2024-11-04 17:30 ` Yu Zhao
2024-11-04 21:38 ` Andrew Morton
2024-11-04 22:04 ` Shakeel Butt
2024-11-04 22:04 ` Yu Zhao
2024-11-04 22:08 ` Yu Zhao
2024-11-04 22:18 ` Andrew Morton
2024-10-25 1:23 ` [PATCH v1 6/6] memcg-v1: remove memcg move locking code Shakeel Butt
2024-10-25 6:59 ` Michal Hocko
2024-10-25 17:42 ` Roman Gushchin
2024-10-26 3:58 ` Yu Zhao
2024-10-26 6:26 ` Shakeel Butt
2024-10-28 14:02 ` Johannes Weiner
2024-10-25 1:33 ` [PATCH v1 0/6] memcg-v1: fully deprecate charge moving Shakeel Butt
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=Zxqj7hw6Q6ak8aJf@tiehlicka \
--to=mhocko@suse.com \
--cc=akpm@linux-foundation.org \
--cc=cgroups@vger.kernel.org \
--cc=hannes@cmpxchg.org \
--cc=hughd@google.com \
--cc=kernel-team@meta.com \
--cc=linux-doc@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=muchun.song@linux.dev \
--cc=roman.gushchin@linux.dev \
--cc=shakeel.butt@linux.dev \
/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