On Sat, Dec 08, 2018 at 11:33:53AM -0500, Jerome Glisse wrote: > Patchset to use HMM inside nouveau have already been posted, some > of the bits have already made upstream and more are line up for > next merge window. Even with that it is a relative fringe feature compared to making something like get_user_pages() that is literally used every to actually work properly. So I think we need to kick out HMM here and just find another place for it to store data. And just to make clear that I'm not picking just on this - the same is true to a just a little smaller extent for the pgmap..