Re: CMA region absolutely for a particular device?

[Shawn Guo]

On Tue, Jun 7, 2016 at 11:55 PM, Laura Abbott <labbott@xxxxxxxxxx> wrote:
> You could try backporting the ZONE_CMA patches
> http://article.gmane.org/gmane.linux.kernel.mm/152016 . The primary problem
> there was CMA utilization but there was some discussion about migration
> success as well http://article.gmane.org/gmane.linux.kernel/2228789

Thanks much for the pointers, Laura.

> If that doesn't work for you, I think the 'reusable' property can be dropped
> and it should just become a DMA coherent pool. I haven't tested this though.

I will see if I can test it out.

Shawn