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From: Mike Kravetz <mike.kravetz@oracle.com>
To: Naoya Horiguchi <naoya.horiguchi@linux.dev>, linux-mm@kvack.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Miaohe Lin <linmiaohe@huawei.com>, Yang Shi <shy828301@gmail.com>,
	Dan Carpenter <dan.carpenter@oracle.com>,
	Naoya Horiguchi <naoya.horiguchi@nec.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v8 3/3] Revert "mm/memory-failure.c: fix race with changing page compound again"
Date: Thu, 14 Apr 2022 10:59:33 -0700	[thread overview]
Message-ID: <79bb1d5b-1518-f6ca-e375-2666eee19e90@oracle.com> (raw)
In-Reply-To: <20220408135323.1559401-4-naoya.horiguchi@linux.dev>

On 4/8/22 06:53, Naoya Horiguchi wrote:
> From: Naoya Horiguchi <naoya.horiguchi@nec.com>
> 
> Reverts commit 888af2701db7 ("mm/memory-failure.c: fix race with
> changing page compound again") because now we fetch the page refcount
> under hugetlb_lock in try_memory_failure_hugetlb() so that the race
> check is no longer necessary.
> 
> Suggested-by: Miaohe Lin <linmiaohe@huawei.com>
> Signed-off-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
> ---
>  include/linux/mm.h      |  1 -
>  include/ras/ras_event.h |  1 -
>  mm/memory-failure.c     | 11 -----------
>  3 files changed, 13 deletions(-)

Thanks!

Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
-- 
Mike Kravetz

  parent reply	other threads:[~2022-04-14 18:00 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-08 13:53 [PATCH v8 0/3] mm/hwpoison: fix race between hugetlb free/demotion and memory_failure_hugetlb() Naoya Horiguchi
2022-04-08 13:53 ` [PATCH v8 1/3] " Naoya Horiguchi
2022-04-09  2:33   ` Miaohe Lin
2022-04-14 17:56   ` Mike Kravetz
2022-04-15  1:55     ` Miaohe Lin
2022-04-15  2:12       ` HORIGUCHI NAOYA(堀口　直也)
2022-04-15  4:18         ` [PATCH 4/3] mm, hugetlb, hwpoison: separate branch for free and in-use hugepage Naoya Horiguchi
2022-04-15 15:11           ` Mike Kravetz
2022-04-16  1:06           ` Miaohe Lin
2022-04-08 13:53 ` [PATCH v8 2/3] mm/hwpoison: put page in already hwpoisoned case with MF_COUNT_INCREASED Naoya Horiguchi
2022-04-09  2:04   ` Miaohe Lin
2022-04-14 19:41   ` Mike Kravetz
2022-04-08 13:53 ` [PATCH v8 3/3] Revert "mm/memory-failure.c: fix race with changing page compound again" Naoya Horiguchi
2022-04-09  2:07   ` Miaohe Lin
2022-04-14 17:59   ` Mike Kravetz [this message]
2022-04-08 23:47 ` [PATCH v8 0/3] mm/hwpoison: fix race between hugetlb free/demotion and memory_failure_hugetlb() Andrew Morton
2022-04-09  2:31   ` Naoya Horiguchi

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