Re: [PATCH] dma-pool: Do not allocate pool memory from CMA

Nicolas Saenz Julienne
2020-07-21T11:37:18Z

On Tue, 2020-07-21 at 13:28 +0200, Christoph Hellwig wrote:
> On Tue, Jul 21, 2020 at 01:15:23PM +0200, Nicolas Saenz Julienne
> wrote:
> > I'm at loss at what could be failing here. Your device should be
> > able
> > to address the whole 8GB memory space, which AFAIK is the max
> > available
> > on that smartphone family. But maybe the device-tree is lying, who
> > knows...
>
> Maybe we should give your patch to allocate from CMA but check the
> address a try? (just because we can..)

Yes, good idea!

Amir, could you also test this patch[1] (having reverted the one that
casues trouble) and report on whether it boots or not?

Regards,
Nicolas

[1] https://lore.kernel.org/linux-iomhttps://lore.kernel.org/linux-iom
mu/fe14037b02fd887a73cd91c115dccc4485f8446e.camel@suse.de/T/#t