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SubjectRe: [PATCH v2 1/3] mm/memory-failure.c: fix race with changing page compound again
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On 2022/3/16 16:30, HORIGUCHI NAOYA(堀口 直也) wrote:
> On Wed, Mar 16, 2022 at 04:18:30PM +0800, Miaohe Lin wrote:
>> On 2022/3/16 2:19, Yang Shi wrote:
>>> On Tue, Mar 15, 2022 at 7:19 AM Miaohe Lin <linmiaohe@huawei.com> wrote:
> ...
>>>>
>>>>
>>>> Many thanks for comment.
>>>> I assume that Naoya's patch "mm/hwpoison: set PageHWPoison after taking page lock
>>>> in memory_failure_hugetlb()" would set the PageHWPoison after the above check.
>>>> So I think the below operation is not needed as PageHWPoison is not set yet.
>>>> Does this makes sense for you?
>>>
>>> I'm wondering if it might be better and helpful for review to squash
>>> this patch with Naoya's patch together? It seems we always missed the
>>> other part when reviewing the patches.
>>>
>>
>> Sounds like a good idea. This would make the reviewer's life easier. I'm fine if
>> this patch is squashed into Naoya's patch altogether. But we might have to consult
>> the opinion from Naoya.
>
> I'm fine with the squashing, so I'll send v4.

Many thanks for doing this.

So I'll send v3 later to fix the "stale commit id" in the commit log of the [PATCH v2 2/3]
mm/memory-failure.c: avoid calling invalidate_inode_page() with unexpected pages.

Thanks.

>
> Thanks,
> Naoya Horiguchi
>

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