On Thu, 2017-07-13 at 17:15 -0400, Jérôme Glisse wrote: > HMM pages (private or public device pages) are ZONE_DEVICE page and > thus need special handling when it comes to lru or refcount. This > patch make sure that memcontrol properly handle those when it face > them. Those pages are use like regular pages in a process address > space either as anonymous page or as file back page. So from memcg > point of view we want to handle them like regular page for now at > least. > > Changed since v2: > - s/host/public > Changed since v1: > - s/public/host > - add comments explaining how device memory behave and why > > Signed-off-by: Jérôme Glisse <jglisse@xxxxxxxxxx> > Cc: Johannes Weiner <hannes@xxxxxxxxxxx> > Cc: Michal Hocko <mhocko@xxxxxxxxxx> > Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx> > Cc: cgroups@xxxxxxxxxxxxxxx > --- Acked-by: Balbir Singh <bsingharora@xxxxxxxxx> -- 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>
