Re: [RFC PATCH v2 0/6] mm, memory_hotplug: allocate memmap from hotadded memory

[Michal Hocko]

On Thu 10-08-17 08:27:56, Dan Williams wrote:
> On Thu, Aug 10, 2017 at 4:40 AM, Michal Hocko <mhocko@xxxxxxxxxx> wrote:
> > On Tue 08-08-17 13:01:36, Dan Williams wrote:
> >> On Mon, Aug 7, 2017 at 12:00 AM, Michal Hocko <mhocko@xxxxxxxxxx> wrote:
> >> > Any comments? Especially for the arch specific? Has anybody had a chance
> >> > to test this? I do not want to rush this but I would be really glag if
> >> > we could push this work in 4.14 merge window.
> >>
> >> Hi Michal,
> >>
> >> I'm interested in taking a look at this especially if we might be able
> >> to get rid of vmem_altmap, but this is currently stuck behind some
> >> other work in my queue. I'll try to circle back in the next couple
> >> weeks.
> >
> > Well, vmem_altmap was there and easy to reuse. Replacing with something
> > else is certainly possible but I really need something to hook a
> > dedicated allocator into vmemmap code.
> 
> Oh, you're reusing it, that's great. Then I definitely got the wrong
> impression from the first glance at the patch set, I'll dig deeper.

yeah, reusing and extending a bit so I would highly appreciate if you
could have a look I am doing that in a sane way.

-- 
Michal Hocko
SUSE Labs