[RFC 0/8] Copy Offload with Peer-to-Peer PCI Memory

[Dan Williams]

On Thu, Apr 20, 2017 at 1:43 PM, Stephen  Bates <sbates at raithlin.com> wrote:
>
>> Yes, this makes sense I think we really just want to distinguish host
>> memory or not in terms of the dev_pagemap type.
>
> I would like to see mutually exclusive flags for host memory (or not) and persistence (or not).
>

Why persistence? It has zero meaning to the mm.