[Intel-gfx] [PATCH 2/2] drm/i915: Make GPU pages movable

[Matthew Auld]

On 9 November 2016 at 18:36, Hugh Dickins <hughd at google.com> wrote:
> On Wed, 9 Nov 2016, Daniel Vetter wrote:
>>
>> Hi all -mm folks!
>>
>> Any feedback on these two? It's kinda an intermediate step towards a
>> full-blown gemfs, and I think useful for that. Or do we need to go
>> directly to our own backing storage thing? Aside from ack/nack from -mm I
>> think this is ready for merging.
>
> I'm currently considering them at last: will report back later.
>
> Full-blown gemfs does not come in here, of course; but let me
> fire a warning shot since you mention it: if it's going to use swap,
> then we shall probably have to nak it in favour of continuing to use
> infrastructure from mm/shmem.c.  I very much understand why you would
> love to avoid that dependence, but I doubt it can be safely bypassed.
Could you please elaborate on what specifically you don't like about
gemfs implementing swap, just to make sure I'm following?

Thanks,
Matt