linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: David Hildenbrand <david@redhat.com>
To: Rik van Riel <riel@surriel.com>, linux-kernel@vger.kernel.org
Cc: kernel-team@fb.com, linux-mm@kvack.org,
	Miaohe Lin <linmiaohe@huawei.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Mel Gorman <mgorman@suse.de>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Matthew Wilcox <willy@infradead.org>
Subject: Re: [PATCH v2] mm: clean up hwpoison page cache page in fault path
Date: Tue, 15 Feb 2022 12:22:48 +0100	[thread overview]
Message-ID: <2a881586-3f5e-c277-f373-a9014d631700@redhat.com> (raw)
In-Reply-To: <20220212213740.423efcea@imladris.surriel.com>

On 13.02.22 03:37, Rik van Riel wrote:
> Sometimes the page offlining code can leave behind a hwpoisoned clean
> page cache page. This can lead to programs being killed over and over
> and over again as they fault in the hwpoisoned page, get killed, and
> then get re-spawned by whatever wanted to run them.

Hi Rik,

am I correct that you are only talking about soft offlining as triggered
from mm/memory-failure.c, not page offlining as in memory offlining
mm/memory_hotunplug.c ?

Maybe you can clarify that in the patch description, it made me nervous
for a second :)

-- 
Thanks,

David / dhildenb



  parent reply	other threads:[~2022-02-15 11:22 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-13  2:37 [PATCH v2] mm: clean up hwpoison page cache page in fault path Rik van Riel
2022-02-14 23:24 ` Andrew Morton
2022-02-15  1:37   ` Rik van Riel
2022-02-15  5:15     ` HORIGUCHI NAOYA(堀口 直也)
2022-02-15 11:22 ` David Hildenbrand [this message]
2022-02-15 15:01   ` Rik van Riel
2022-02-15 15:06     ` David Hildenbrand
2022-02-15 12:51 ` Oscar Salvador
2022-02-15 15:04   ` Rik van Riel
2022-02-16  2:13   ` Miaohe Lin
2022-02-21 12:54     ` Oscar Salvador
2022-02-21 13:19       ` Miaohe Lin
2022-02-21 12:55 ` Oscar Salvador

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=2a881586-3f5e-c277-f373-a9014d631700@redhat.com \
    --to=david@redhat.com \
    --cc=akpm@linux-foundation.org \
    --cc=hannes@cmpxchg.org \
    --cc=kernel-team@fb.com \
    --cc=linmiaohe@huawei.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mgorman@suse.de \
    --cc=riel@surriel.com \
    --cc=willy@infradead.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;
as well as URLs for NNTP newsgroup(s).