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

David Hildenbrand david at redhat.com
Fri Apr 25 09:27:00 UTC 2025


>> 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 at 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



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