linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Alex Shi <alex.shi@linux.alibaba.com>
To: Stephen Rothwell <sfr@canb.auug.org.au>, Michal Hocko <mhocko@suse.com>
Cc: Qian Cai <cai@lca.pw>,
	akpm@linux-foundation.org, Johannes Weiner <hannes@cmpxchg.org>,
	Vladimir Davydov <vdavydov.dev@gmail.com>,
	cgroups@vger.kernel.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, linux-next@vger.kernel.org
Subject: Re: [Resend PATCH 1/6] mm/memcg: warning on !memcg after readahead page charged
Date: Tue, 25 Aug 2020 07:14:39 +0800	[thread overview]
Message-ID: <3003ffb6-f527-ae33-60f2-50cd25316fdd@linux.alibaba.com> (raw)
In-Reply-To: <20200825090054.3c5dd68a@canb.auug.org.au>



在 2020/8/25 上午7:00, Stephen Rothwell 写道:
>>>> This will trigger,  
>>> Andrew, Stephen, can you drop this series for now? I did manage to trigger this
>>> warning on all arches, powerpc, x86 and arm64 (below).  
>> Yes, I do agree. See http://lkml.kernel.org/r/20200824151013.GB3415@dhcp22.suse.cz
> OK, I have removed the following from linux-next for today:
> 
>   c443db77c9f3 ("mm/thp: narrow lru locking")
>   18bafefba73d ("mm/thp: remove code path which never got into")
>   5fb6c0683017 ("mm/thp: clean up lru_add_page_tail")
>   9d1d568727a8 ("mm/thp: move lru_add_page_tail func to huge_memory.c")
>   47eb331560ff ("mm/memcg: bail out early from swap accounting when memcg is disabled")
>   4b0d99a64d78 ("mm/memcg: warning on !memcg after readahead page charged")

The first patch 4b0d99a64d78 ("mm/memcg: warning on !memcg after readahead page charged")
reveals the hugetlb out of lru on some unexpected path. At least comments are helpful.

All other are good and functional.

Thanks
Alex


      reply	other threads:[~2020-08-24 23:16 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-11 11:10 Alex Shi
2020-08-11 11:10 ` [Resend PATCH 2/6] mm/memcg: remove useless check on page->mem_cgroup Alex Shi
2020-08-11 11:30   ` Michal Hocko
2020-08-11 12:42     ` Alex Shi
2020-08-11 12:54     ` Alex Shi
2020-08-11 13:56       ` Michal Hocko
2020-08-12  3:25         ` Alex Shi
2020-08-13  6:20           ` Michal Hocko
2020-08-13  9:45             ` Alex Shi
2020-08-13 11:01               ` Michal Hocko
2020-08-11 11:10 ` [Resend PATCH 3/6] mm/thp: move lru_add_page_tail func to huge_memory.c Alex Shi
2020-08-11 11:10 ` [Resend PATCH 4/6] mm/thp: clean up lru_add_page_tail Alex Shi
2020-08-11 11:10 ` [Resend PATCH 5/6] mm/thp: remove code path which never got into Alex Shi
2020-08-11 11:10 ` [Resend PATCH 6/6] mm/thp: narrow lru locking Alex Shi
2020-08-20 14:58 ` [Resend PATCH 1/6] mm/memcg: warning on !memcg after readahead page charged Qian Cai
2020-08-21  8:01   ` Michal Hocko
2020-08-21 12:39     ` Qian Cai
2020-08-21 13:48       ` Michal Hocko
2020-08-24 15:10         ` Michal Hocko
2020-08-25  1:25           ` Alex Shi
2020-08-25  2:04             ` Hugh Dickins
2020-08-27  6:00               ` Hugh Dickins
2020-08-25  7:25             ` Michal Hocko
2020-08-24 14:52   ` Qian Cai
2020-08-24 15:10     ` Michal Hocko
2020-08-24 23:00       ` Stephen Rothwell
2020-08-24 23:14         ` Alex Shi [this message]

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=3003ffb6-f527-ae33-60f2-50cd25316fdd@linux.alibaba.com \
    --to=alex.shi@linux.alibaba.com \
    --cc=akpm@linux-foundation.org \
    --cc=cai@lca.pw \
    --cc=cgroups@vger.kernel.org \
    --cc=hannes@cmpxchg.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=linux-next@vger.kernel.org \
    --cc=mhocko@suse.com \
    --cc=sfr@canb.auug.org.au \
    --cc=vdavydov.dev@gmail.com \
    /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