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SubjectRe: [PATCH, RFC 0/2] Share PMDs for FS/DAX on x86
On Thu, May 09, 2019 at 09:05:31AM -0700, Larry Bassel wrote:
> This patchset implements sharing of page table entries pointing
> to 2MiB pages (PMDs) for FS/DAX on x86.


How do you share entries? Entries do not take any space, page tables that
cointain these entries do.

Have you checked if the patch makes memory consumption any better. I have
doubts in it.

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