On Sat, 2017-05-06 at 01:50 +0300, Alexey Khoroshilov wrote: > Could you please clarify if iounmap(NULL) safe or not. > I guess it would be less errorprone if the answer is architecture independent. I think it's supposed to be and we should fix ppc. Cheers, Ben. -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>