On Fri, Nov 06, 2015 at 10:44:32AM -0800, Laura Abbott wrote: > with my test patch. I think setting both current->active_mm and &init_mm > is sufficient. Maybe explicitly setting swapper_pg_dir would be cleaner? Please, stop thinking like this. If you're trying to change the kernel section mappings after threads have been spawned, you need to change them for _all_ threads, which means you need to change them for every page table that's in existence at that time - you can't do just one table and hope everyone updates, it doesn't work like that. -- FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net. -- 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>