From: David Hildenbrand <david@redhat.com>
To: Jinjiang Tu <tujinjiang@huawei.com>,
linmiaohe@huawei.com, nao.horiguchi@gmail.com,
akpm@linux-foundation.org, xueshuai@linux.alibaba.com,
ziy@nvidia.com, osalvador@suse.de, linux-mm@kvack.org
Cc: wangkefeng.wang@huawei.com
Subject: Re: [PATCH v2] mm/memory-failure: fix infinite UCE for VM_PFNMAP'ed page
Date: Mon, 11 Aug 2025 09:54:58 +0200 [thread overview]
Message-ID: <9866c69f-e3da-4d47-bbb5-5dc2e91d71a8@redhat.com> (raw)
In-Reply-To: <20250811043323.899130-1-tujinjiang@huawei.com>
On 11.08.25 06:33, Jinjiang Tu wrote:
> is not ordinarily mapped, but was mapped through
> remap_pfn_range(), kill_accessing_process() wouldn't identify it as mapped
> even though hwpoison_pte_range() would be prepared to handle it, because
> walk_page_range() will skip VM_PFNMAP as default in walk_page_test(). As
> a result, walk_page_range() will return 0, assuming "not mapped" and SIGBUS
Acked-by: David Hildenbrand <david@redhat.com>
--
Cheers,
David / dhildenb
next prev parent reply other threads:[~2025-08-11 7:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-11 4:33 Jinjiang Tu
2025-08-11 7:54 ` David Hildenbrand [this message]
2025-08-12 2:01 ` Miaohe Lin
2025-08-14 6:40 ` David Hildenbrand
2025-08-15 1:16 ` Jinjiang Tu
2025-08-14 6:05 ` jane.chu
2025-08-15 1:16 ` Jinjiang Tu
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=9866c69f-e3da-4d47-bbb5-5dc2e91d71a8@redhat.com \
--to=david@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=linmiaohe@huawei.com \
--cc=linux-mm@kvack.org \
--cc=nao.horiguchi@gmail.com \
--cc=osalvador@suse.de \
--cc=tujinjiang@huawei.com \
--cc=wangkefeng.wang@huawei.com \
--cc=xueshuai@linux.alibaba.com \
--cc=ziy@nvidia.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