Re: [PATCH v2 1/3] mm: memory-failure: update ttu flag inside unmap_poisoned_folio

[mawupeng]

On 2025/1/20 14:24, Miaohe Lin wrote:
> On 2025/1/16 14:16, Wupeng Ma wrote:
>> From: Ma Wupeng <mawupeng1@xxxxxxxxxx>
> 
> Thanks for your patch. Some nits below.
> 
>>
>> Commit 6da6b1d4a7df ("mm/hwpoison: convert TTU_IGNORE_HWPOISON to
>> TTU_HWPOISON") introduce TTU_HWPOISON to replace TTU_IGNORE_HWPOISON
>> in order to stop send SIGBUS signal when accessing an error page after
>> a memory error on a clean folio. However during page migration, anon
>> folio must be set with TTU_HWPOISON during unmap_*(). For pagecache
>> we need some policy just like the one in hwpoison_user_mappings to
>> set this flag. So move this policy from hwpoison_user_mappings to
>> unmap_poisoned_folio to handle this waring properly.
> 
> s/waring/warning/g

Thanks for your reply.

will be fixed later.

> 
>>
>> Waring will be produced during unamp poison folio with the following log:
> 
> s/Waring/Warning/g

Thanks for your reply.

will be fixed later.