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? -- 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>
