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? -- 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>