hi, Change reference to non-existing file Documentation/PCI/PCI-DMA-mapping.txt to Documentation/DMA-mapping.txt . Thanks & Regards vibi sreenivasan -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html