On Wed, Jan 06, 2016 at 03:45:12PM +0100, Steinar H. Gunderson wrote: > On Tue, Jan 05, 2016 at 10:49:49PM -0800, Christoph Hellwig wrote: > > This is a completely broken usage of the mmap interface. if you use > > mmap on a device file you must use the actual mmap for the data > > transfer. > > Really? V4L does exactly the same thing, from what I can see. It's just a way > of allocating memory with specific properties, roughly similar to hugetlbfs. V4l is generally speaking never an example for good practices. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html