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From: Andrew Morton <akpm@linux-foundation.org>
To: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: <linux-mm@kvack.org>, Tony Luck <tony.luck@intel.com>,
	Miaohe Lin <linmiaohe@huawei.com>, <nao.horiguchi@gmail.com>,
	Matthew Wilcox <willy@infradead.org>,
	David Hildenbrand <david@redhat.com>,
	Muchun Song <muchun.song@linux.dev>,
	Benjamin LaHaise <bcrl@kvack.org>, <jglisse@redhat.com>,
	Jiaqi Yan <jiaqiyan@google.com>, Hugh Dickins <hughd@google.com>,
	Vishal Moola <vishal.moola@gmail.com>,
	Alistair Popple <apopple@nvidia.com>,
	Jane Chu <jane.chu@oracle.com>,
	Oscar Salvador <osalvador@suse.de>,
	Lance Yang <ioworker0@gmail.com>
Subject: Re: [PATCH v5 0/6] mm: migrate: support poison recover from migrate folio
Date: Wed, 26 Jun 2024 13:04:27 -0700	[thread overview]
Message-ID: <20240626130427.2124681ea725b306de4d103d@linux-foundation.org> (raw)
In-Reply-To: <20240626085328.608006-1-wangkefeng.wang@huawei.com>

On Wed, 26 Jun 2024 16:53:22 +0800 Kefeng Wang <wangkefeng.wang@huawei.com> wrote:

> The folio migration is widely used in kernel, memory compaction, memory
> hotplug, soft offline page, numa balance, memory demote/promotion, etc,
> but once access a poisoned source folio when migrating, the kernel will
> panic.

Is there some simple fixup which we can prepare for -stable kernels
which will avoid this panic?


  parent reply	other threads:[~2024-06-26 20:04 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-26  8:53 Kefeng Wang
2024-06-26  8:53 ` [PATCH v5 1/6] mm: move memory_failure_queue() into copy_mc_[user]_highpage() Kefeng Wang
2024-06-26  8:53 ` [PATCH v5 2/6] mm: add folio_mc_copy() Kefeng Wang
2024-06-26  8:53 ` [PATCH v5 3/6] mm: migrate: split folio_migrate_mapping() Kefeng Wang
2024-06-26  8:53 ` [PATCH v5 4/6] mm: migrate: support poisoned recover from migrate folio Kefeng Wang
2024-06-26  8:53 ` [PATCH v5 5/6] fs: hugetlbfs: support poisoned recover from hugetlbfs_migrate_folio() Kefeng Wang
2024-06-26  8:53 ` [PATCH v5 6/6] mm: migrate: remove folio_migrate_copy() Kefeng Wang
2024-06-26 20:04 ` Andrew Morton [this message]
2024-06-27  1:06   ` [PATCH v5 0/6] mm: migrate: support poison recover from migrate folio Kefeng Wang

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