--- zzzz-none-000/linux-4.4.60/include/linux/dma-attrs.h	2017-04-08 07:53:53.000000000 +0000
+++ dragonfly-4020-701/linux-4.4.60/include/linux/dma-attrs.h	2018-11-08 13:36:17.000000000 +0000
@@ -18,6 +18,8 @@
 	DMA_ATTR_NO_KERNEL_MAPPING,
 	DMA_ATTR_SKIP_CPU_SYNC,
 	DMA_ATTR_FORCE_CONTIGUOUS,
+	DMA_ATTR_STRONGLY_ORDERED,
+	DMA_ATTR_SKIP_ZEROING,
 	DMA_ATTR_MAX,
 };