Messages in this thread | | | Date | Thu, 15 Aug 2019 11:51:02 -0300 | From | Jason Gunthorpe <> | Subject | Re: [RFC PATCH 2/2] mm/gup: introduce vaddr_pin_pages_remote() |
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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
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