Re: [kvm-unit-tests PATCH v2 1/4] memory: allocation in low memory

Andrew Jones
2020-11-06T09:46:36Z

On Thu, Nov 05, 2020 at 03:15:47PM +0100, Janosch Frank wrote:
> On 11/5/20 1:16 PM, Pierre Morel wrote:
> >
> >
> > On 9/29/20 9:19 AM, Janosch Frank wrote:
> >> On 9/28/20 5:31 PM, Cornelia Huck wrote:
> >>> On Mon, 28 Sep 2020 16:23:34 +0200
> >>> Pierre Morel <pmorel@linux.ibm.com> wrote:
> >>>
> >>>> Some architectures need allocations to be done under a
> >>>> specific address limit to allow DMA from I/O.
> >>>>
> >>>> We propose here a very simple page allocator to get
> >>>> pages allocated under this specific limit.
> >>>>
> >>>> The DMA page allocator will only use part of the available memory
> >>>> under the DMA address limit to let room for the standard allocator.
> >>>>
> >
> > ...snip...
> >
> >>
> >> Before we start any other discussion on this patch we should clear up if
> >> this is still necessary after Claudio's alloc revamp.
> >>
> >> I think he added options to request special types of memory.
> >
> > Isn't it possible to go on with this patch series.
> > It can be adapted later to the changes that will be introduced by
> > Claudio when it is final.
> >
> >
>
> Pierre, that's outside of my jurisdiction, you're adding code to the
> common code library.
>
> I've set Paolo CC, let's see if he finds this thread :)
>

I'll also try to find some time to revisit this.

Thanks,
drew