From: David Hildenbrand <david@redhat.com>
To: Marek Szyprowski <m.szyprowski@samsung.com>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
akpm@linux-foundation.org, willy@infradead.org,
linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH -next 5/7] mm: memory: convert wp_page_copy() to use folios
Date: Fri, 13 Jan 2023 14:08:36 +0100 [thread overview]
Message-ID: <8bbc5629-b89a-83f3-41a4-0083ea2468c1@redhat.com> (raw)
In-Reply-To: <32fefce6-e25d-106d-12ec-8fc612843cfb@samsung.com>
On 13.01.23 14:01, Marek Szyprowski wrote:
> Hi
>
> On 12.01.2023 09:30, Kefeng Wang wrote:
>> The old_page/new_page are converted to old_folio/new_folio in
>> wp_page_copy(), then replaced related page functions to folio
>> functions.
>>
>> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
>
> This patch, merged into today's linux-next as commit 9ebae00c8e30 ("mm:
> memory: convert wp_page_copy() to use folios"), causes serious stability
> issues on my ARM based test boards. Here is the example of such crash:
syzbot is also not happy:
https://lkml.kernel.org/r/000000000000807c7805f2205df1@google.com
--
Thanks,
David / dhildenb
next prev parent reply other threads:[~2023-01-13 13:08 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-12 8:29 [PATCH -next 0/7] mm: remove cgroup_throttle_swaprate() completely Kefeng Wang
2023-01-12 8:30 ` [PATCH -next 1/7] mm: huge_memory: make __do_huge_pmd_anonymous_page() to take a folio Kefeng Wang
2023-01-13 14:25 ` Matthew Wilcox
2023-01-16 11:09 ` Kefeng Wang
2023-01-12 8:30 ` [PATCH -next 2/7] mm: memory: convert do_anonymous_page() to use " Kefeng Wang
2023-01-13 15:33 ` Matthew Wilcox
2023-01-16 11:11 ` Kefeng Wang
2023-01-12 8:30 ` [PATCH -next 3/7] mm: memory: convert do_cow_fault to use folios Kefeng Wang
2023-01-13 15:37 ` Matthew Wilcox
2023-01-16 11:31 ` Kefeng Wang
2023-01-12 8:30 ` [PATCH -next 4/7] mm: memory: convert page_copy_prealloc() to use a folio Kefeng Wang
2023-01-12 8:30 ` [PATCH -next 5/7] mm: memory: convert wp_page_copy() to use folios Kefeng Wang
[not found] ` <CGME20230113130136eucas1p18a54a3812792e500a02079ee890e5ecb@eucas1p1.samsung.com>
2023-01-13 13:01 ` Marek Szyprowski
2023-01-13 13:08 ` David Hildenbrand [this message]
2023-01-13 19:04 ` Lorenzo Stoakes
2023-01-13 22:16 ` SeongJae Park
2023-01-16 11:35 ` Kefeng Wang
2023-01-13 17:45 ` Daniel Thompson
2023-01-15 16:01 ` kernel test robot
2023-01-12 8:30 ` [PATCH -next 6/7] mm: memory: use folio_throttle_swaprate() in do_swap_page() Kefeng Wang
2023-01-12 8:30 ` [PATCH -next 7/7] mm: swap: remove unneeded cgroup_throttle_swaprate() Kefeng Wang
2023-01-13 15:50 ` Matthew Wilcox
2023-01-16 11:37 ` Kefeng Wang
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