Re: [PATCH v6 00/14] Remove CONFIG_READ_ONLY_THP_FOR_FS and enable file THP for writable files

[Zi Yan]

On 19 May 2026, at 6:21, Andrew Morton wrote:

> On Sun, 17 May 2026 09:54:02 -0400 Zi Yan <ziy@xxxxxxxxxx> wrote:
>
>> Hi all,
>>
>> This patchset removes READ_ONLY_THP_FOR_FS Kconfig and enables creating
>> file-backed THPs for FSes with large folio support (the supported orders
>> need to include PMD_ORDER) by default, including for writable files.
>
> Cool.  Sashiko wasn't able to apply this (presumably because of Mike's
> CI-friendly series).  I take it that the AI review from v5
> (https://sashiko.dev/#/patchset/20260429152924.727124-1-ziy@xxxxxxxxxx)
> was considered?
>
> Also, please check that the below were considered:
>
> https://lore.kernel.org/e9e61132-902a-445f-9c4c-4d405d164e70@xxxxxxxxxx
> https://lore.kernel.org/22831162-abe7-4498-9e81-7f5aa3526d00@xxxxxxxxxx
> https://lore.kernel.org/959238dd-2493-4d9c-ac35-6d04460a8239@xxxxxxxxxx
> https://lore.kernel.org/1895A67C-BB1F-49EA-ADC3-AA4F51A6ED57@xxxxxxxxxx
>
> https://lore.kernel.org/20260508074643.55548-1-lance.yang@xxxxxxxxx
> https://lore.kernel.org/b8a3c3eb-f241-40fe-9121-4ae5a1097807@xxxxxxxxxx
>

I addressed all of them, except the second one and I will reply to the
second one soon.

>
>> is an in-place replacement of V5 in mm-new. It affects Mike Rapoport's
>> "make MM selftests more CI friendly", since "selftests/mm: khugepaged:
>> use kselftest framework" needs to be updated. I updated it and put it at
>> the end of this cover letter.
>
> Helpful, thanks.  It was a little complicated because your email client
> messes with whitespace (it always has!), but I figured it out.

You mean tabs become whitespace? And does all my patches have the whitespace
issue or the one I put at the bottom? I am trying to figure out the issue.
BTW, All patches are sent via git send-email using mstmp and
I copied the bottom one from git format-patch. I wonder which part went
wrong.

Thanks.

Best Regards,
Yan, Zi