[PATCH v8 0/3] mm/hwpoison: fix race between hugetlb free/demotion and memory_failure_hugetlb()

From: Naoya Horiguchi <naoya.horiguchi@linux.dev>
To: linux-mm@kvack.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Mike Kravetz <mike.kravetz@oracle.com>,
	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: [PATCH v8 0/3] mm/hwpoison: fix race between hugetlb free/demotion and memory_failure_hugetlb()
Date: Fri,  8 Apr 2022 22:53:20 +0900	[thread overview]
Message-ID: <20220408135323.1559401-1-naoya.horiguchi@linux.dev> (raw)

Hi,

I updated v7 (https://lore.kernel.org/linux-mm/20220407112929.1344748-1-naoya.horiguchi@linux.dev/)
based on the comment from Miaohe Lin.  Now I have a few additional patches.
Any comments and suggestions are welcomed.

Thanks,
Naoya Horiguchi
---
Summary:

Naoya Horiguchi (3):
      mm/hwpoison: fix race between hugetlb free/demotion and memory_failure_hugetlb()
      mm/hwpoison: put page in already hwpoisoned case with MF_COUNT_INCREASED
      Revert "mm/memory-failure.c: fix race with changing page compound again"

 include/linux/hugetlb.h |   6 ++
 include/linux/mm.h      |   9 ++-
 include/ras/ras_event.h |   1 -
 mm/hugetlb.c            |  10 ++++
 mm/memory-failure.c     | 152 ++++++++++++++++++++++++++++++++----------------
 5 files changed, 126 insertions(+), 52 deletions(-)