From: Naoya Horiguchi <naoya.horiguchi@linux.dev>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Naoya Horiguchi <naoya.horiguchi@nec.com>,
Dan Williams <dan.j.williams@intel.com>,
stable@vger.kernel.org
Subject: Re: [PATCH 2/3] mm/memory-failure: Check the mapcount of the precise page
Date: Fri, 22 Dec 2023 10:23:48 +0900 [thread overview]
Message-ID: <20231222012348.GA1572627@ik1-406-35019.vs.sakura.ne.jp> (raw)
In-Reply-To: <20231218135837.3310403-3-willy@infradead.org>
On Mon, Dec 18, 2023 at 01:58:36PM +0000, Matthew Wilcox (Oracle) wrote:
> A process may map only some of the pages in a folio, and might be missed
> if it maps the poisoned page but not the head page. Or it might be
> unnecessarily hit if it maps the head page, but not the poisoned page.
>
> Fixes: 7af446a841a2 ("HWPOISON, hugetlb: enable error handling path for hugepage")
> Cc: stable@vger.kernel.org
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
next prev parent reply other threads:[~2023-12-22 1:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-18 13:58 [PATCH 0/3] Three memory-failure fixes Matthew Wilcox (Oracle)
2023-12-18 13:58 ` [PATCH 1/3] mm/memory-failure: Pass the folio and the page to collect_procs() Matthew Wilcox (Oracle)
2023-12-21 8:13 ` Naoya Horiguchi
2023-12-18 13:58 ` [PATCH 2/3] mm/memory-failure: Check the mapcount of the precise page Matthew Wilcox (Oracle)
2023-12-22 1:23 ` Naoya Horiguchi [this message]
2023-12-18 13:58 ` [PATCH 3/3] mm/memory-failure: Cast index to loff_t before shifting it Matthew Wilcox (Oracle)
2023-12-21 8:13 ` Naoya Horiguchi
2023-12-18 14:03 ` [PATCH] mailmap: Add an old address for Naoya Horiguchi Matthew Wilcox (Oracle)
2023-12-21 8:15 ` Naoya Horiguchi
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