From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jason Gunthorpe <jgg@ziepe.ca>
Subject: Re: [RFC PATCH 00/28] Removing struct page from P2PDMA
Date: Wed, 26 Jun 2019 17:54:58 -0300
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To: Dan Williams <dan.j.williams@intel.com>
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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