Re: [PATCH v1 00/11] mm: rewrite pfnmap tracking and remove VM_PAT

David Hildenbrand
2025-04-25T09:27:10Z

>> There will be some clash with [1], but nothing that cannot be sorted out
>> easily by moving the functions added to kernel/fork.c to wherever the vma
>> bits will live.
>>
>> Briefly tested with some basic /dev/mem test I crafted. I want to convert
>> them to selftests, but that might or might not require a bit of
>> more work (e.g., /dev/mem accessibility).
>
> So for the x86 bits, once it passes review by the fine MM folks:
>
> Acked-by: Ingo Molnar <mingo@kernel.org>
>

Thanks!

> And I suppose this rewrite will be carried in -mm?

Yes, will make conflicts with Lorenzo's work easier to resolve (in
whatever order this ends up going in). I suspect there are not many PAT
related things on the horizon.

--
Cheers,

David / dhildenb