drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy

[Michal Hocko]

Forgot to CC Joonsoo. The email thread starts more or less here
http://lkml.kernel.org/r/20161130092239.GD18437@dhcp22.suse.cz

On Thu 01-12-16 08:15:07, Michal Hocko wrote:
> On Wed 30-11-16 20:19:03, Robin H. Johnson wrote:
> [...]
> > alloc_contig_range: [83f2a3, 83f2a4) PFNs busy
> 
> Huh, do I get it right that the request was for a _single_ page? Why do
> we need CMA for that?

-- 
Michal Hocko
SUSE Labs