On Tue, Nov 14, 2017 at 08:21:00AM +0100, Michal Hocko wrote: > On Tue 14-11-17 10:45:49, Minchan Kim wrote: > [...] > > Anyway, I think Wang Nan's patch is already broken. > > http://lkml.kernel.org/r/%3C20171107095453.179940-1-wangnan0@xxxxxxxxxx%3E > > > > Because unmap_page_range(ie, zap_pte_range) can flush TLB forcefully > > and free pages. However, the architecture code for TLB flush cannot > > flush at all by wrong fullmm so other threads can write freed-page. > > I am not sure I understand what you mean. How is that any different from > any other explicit partial madvise call? Argh, I misread his code. Sorry for that. -- 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>
