On Wed, Nov 23, 2016 at 5:37 AM, Jason Liu <jason.hui.liu@xxxxxxx> wrote: > Need ensure the cma reserved region not cross the low/high memory boundary > when using the dynamic allocation methond through device-tree, otherwise, > kernel will fail to boot up when cma reserved region cross how/high mem. The kernel command line code setting CMA already deals with this. Why don't we just call the CMA code (cma_declare_contiguous) to deal with this? Rob -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html