Re: [PATCH v1 2/2] mm: remove extra ZONE_DEVICE struct page refcount

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On Sat, Oct 16, 2021 at 9:39 AM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:
>
> On Sat, Oct 16, 2021 at 12:44:50PM -0300, Jason Gunthorpe wrote:
> > Assuming changing FSDAX is hard.. How would DAX people feel about just
> > deleting the PUD/PMD support until it can be done with compound pages?
>
> I think there are customers who would find that an unacceptable answer :-)

No, not given the number of end users that ask for help debugging PMD support.



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