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Date:   Mon, 14 Nov 2022 17:11:35 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Naoya Horiguchi <naoya.horiguchi@linux.dev>
Cc:     stable@vger.kernel.org, Yang Shi <shy828301@gmail.com>,
        James Houghton <jthoughton@google.com>,
        Mike Kravetz <mike.kravetz@oracle.com>,
        Muchun Song <songmuchun@bytedance.com>,
        Miaohe Lin <linmiaohe@huawei.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Naoya Horiguchi <naoya.horiguchi@nec.com>
Subject: Re: hwpoison, shmem: fix data lost issue for 5.15.y
Message-ID: <Y3JotyM0Flj5ijVW@kroah.com>
References: <20221114131403.GA3807058@u2004>
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On Mon, Nov 14, 2022 at 10:14:03PM +0900, Naoya Horiguchi wrote:
> Hi,
> 
> I'd like to request the follow commits to be backported to 5.15.y.
> 
> - dd0f230a0a80 ("mm: hwpoison: refactor refcount check handling")
> - 4966455d9100 ("mm: hwpoison: handle non-anonymous THP correctly")
> - a76054266661 ("mm: shmem: don't truncate page if memory failure happens")
> 
> These patches fixed a data lost issue by preventing shmem pagecache from
> being removed by memory error.  These were not tagged for stable originally,
> but that's revisited recently.

And have you tested that these all apply properly (and in which order?)
and work correctly?

thanks,

greg k-h