linux-kernel - Re: [PATCH v2 2/4] mm/hwpoison: check if a subpage of a hugetlb folio is raw HWPOISON

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Date:   Fri, 7 Jul 2023 10:06:27 +0900
From:   Naoya Horiguchi <naoya.horiguchi@...ux.dev>
To:     Jiaqi Yan <jiaqiyan@...gle.com>
Cc:     mike.kravetz@...cle.com, naoya.horiguchi@....com,
        songmuchun@...edance.com, shy828301@...il.com,
        linmiaohe@...wei.com, akpm@...ux-foundation.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        duenwen@...gle.com, axelrasmussen@...gle.com, jthoughton@...gle.com
Subject: Re: [PATCH v2 2/4] mm/hwpoison: check if a subpage of a hugetlb
 folio is raw HWPOISON

On Fri, Jun 23, 2023 at 04:40:13PM +0000, Jiaqi Yan wrote:
> Adds the functionality to tell if a subpage of a hugetlb folio is a
> raw HWPOISON page. This functionality relies on RawHwpUnreliable to
> be not set; otherwise hugepage's HWPOISON list becomes meaningless.
> 
> Exports this functionality to be immediately used in the read operation
> for hugetlbfs.
> 
> Signed-off-by: Jiaqi Yan <jiaqiyan@...gle.com>

Looks good to me, thank you.

Acked-by: Naoya Horiguchi <naoya.horiguchi@....com>