Re: [PATCH, RFC 0/2] Share PMDs for FS/DAX on x86

[Kirill A. Shutemov]

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.

-EPARSE.

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.