On 03/06/2014 11:08 AM, Naoya Horiguchi wrote: > And I found my patch was totally wrong because it should check > !pte_present(), not pte_present(). > I'm testing fixed one (see below), and the problem seems not to reproduce > in my environment at least for now. > But I'm not 100% sure, so I need your double checking. Nope, I still see the problem. Same NULL deref and trace as before. Thanks, Sasha -- 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>