Re: [RFC PATCH 00/28] Removing struct page from P2PDMA

[Jason Gunthorpe]

On Wed, Jun 26, 2019 at 01:39:01PM -0700, Dan Williams wrote:
> Hmm, that sounds like dev_pagemap without the pages.

Yes, and other page related overhead. Maybe both ideas can exist in
the pagemap code?

All that is needed here is to map a bar phys_addr_t to some 'bar info'
that helps the mapping.

Jason