On Tue, Jun 7, 2016 at 11:55 PM, Laura Abbott <labb...@redhat.com> 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