Re: [PATCH] mm/huge_memory: bypass THP tuneables for huge pfnmap mappings

From: David Hildenbrand (Arm)

Date: Mon Sep 07 2026 - 12:26:52 EST


On 9/7/26 18:15, Lorenzo Stoakes (ARM) wrote:
> On Mon, Sep 07, 2026 at 06:08:31PM +0200, David Hildenbrand (Arm) wrote:
>>
>>>
>>> That's a good idea! Much better thanks.
>>>
>>>
>>> Yeah, it's an annoying one as kinda want to say 'file-backed VMA' but I think
>>> you're right vma_xxx_file() -> vma_file_xxx() is better.
>>>
>>> Andrew - could you fix that up in place?
>>>
>>> Obviously if there's further feedback I can respin as well.
>>
>> Just as a general note I really hate these in-place updates.
>>
>> For a reviewer perspective (like me stumbling over this) this is just a mess.
>>
>> Resending with b4 is as easy as it gets.
>
> Ack, you are right to be honest, and I do empathise obviously.
>
> I will respin these in future!
>
> Let me know if you want me to respin this to make life a bit easier?

Sorry for being grumpy. With 1500 unread mails, playing Hensel and searching for
breadcrumbs in my inbox is hard :D

(I did see some reply from Zi to an mm-unstable patch, but not sure if that was
applied in the end -- or whether Andrew fixed up any of that)

I just saw my reply to my other mail, maybe a v2 would be best :)

--
Cheers,

David