On Tue, 2012-01-24 at 13:40 -0200, Marcelo Tosatti wrote: > What is the practical advantage of a syscall, again? Why do you ask? The advantage for this particular case is not needing to add ioctls() for configuration and keeping the file read/write ABI simple. Pekka -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>