On Fri, Nov 30, 2018 at 07:04:51PM +0000, Robin Murphy wrote: > On 05/11/2018 12:19, Christoph Hellwig wrote: >> dma_alloc_from_contiguous can return highmem pages depending on the >> setup, which a plain non-remapping DMA allocator can't handle. Detect >> this case and try the normal page allocator instead. > > ...except the actual implementation is "Detect this case and fail the > entire allocation if so".
True, that actually changed from when I wrote the commit log due to some layer issues. I'll update the commit log. _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
