On Thu, Aug 15, 2019 at 03:35:10PM +0200, Jan Kara wrote: > > 3) ODP case - GUP references to pages serving as DMA buffers, MMU notifiers > > used to synchronize with page_mkclean() and munmap() => normal page > > references are fine. > > I want to add that I'd like to convert users in cases 1) and 2) from using > GUP to using differently named function. Users in case 3) can stay as they > are for now although ultimately I'd like to denote such use cases in a > special way as well... 3) users also want a special function and path, right now it is called hmm_range_fault() but perhaps it would be good to harmonize it more with the GUP infrastructure? I'm not quite sure what the best plan for that is yet. Jason
