Re: why do we still need bootmem allocator?

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On Mon 25-06-18 10:09:41, Rob Herring wrote:
> On Mon, Jun 25, 2018 at 8:08 AM Michal Hocko <mhocko@xxxxxxxxxx> wrote:
> >
> > Hi,
> > I am wondering why do we still keep mm/bootmem.c when most architectures
> > already moved to nobootmem. Is there any fundamental reason why others
> > cannot or this is just a matter of work?
> 
> Just because no one has done the work. I did a couple of arches
> recently (sh, microblaze, and h8300) mainly because I broke them with
> some DT changes.

I see

> > Btw. what really needs to be
> > done? Btw. is there any documentation telling us what needs to be done
> > in that regards?
> 
> No. The commits converting the arches are the only documentation. It's
> a bit more complicated for platforms that have NUMA support.

I do not see why should be NUMA a problem but I will have a look at your
commits to see what you have done.

Thanks!
-- 
Michal Hocko
SUSE Labs



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