On Mon 01-08-16 23:04:01, zhong jiang wrote: > On 2016/8/1 19:02, Michal Hocko wrote: > > On Sat 30-07-16 14:33:18, zhong jiang wrote: > >> On 2016/7/29 19:27, Michal Hocko wrote: > >>> On Thu 21-07-16 09:43:40, Michal Hocko wrote: > >>>> We have further discussed the patch and I believe it is not correct. See [1]. > >>>> I am proposing the following alternative. > >>> Andrew, please drop the mm-hugetlb-fix-race-when-migrate-pages.patch. It > >>> is clearly racy. Whether the BUG_ON update is really the right and > >>> sufficient fix is not 100% clear yet and we are waiting for Zhong Jiang > >>> testing. > >> The issue is very hard to recur. Without attaching any patch to > >> kernel code. up to now, it still not happens to it. > > Hmm, OK. So what do you propose? Are you OK with the BUG_ON change or do > > you think that this needs a deeper fix? > > yes, I agree with your change. OK, Andrew, could you merge http://lkml.kernel.org/r/20160721074340.GA26398@xxxxxxxxxxxxxx with ack from Naoya http://lkml.kernel.org/r/20160721081355.GB25398@xxxxxxxxxxxxxxxxxxxxxxxxxxxx Thanks! -- Michal Hocko SUSE Labs -- 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>