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

[Dan Williams]

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.