On Thu, Nov 21, 2019 at 12:07:46AM -0800, Christoph Hellwig wrote: > On Wed, Nov 20, 2019 at 11:13:37PM -0800, John Hubbard wrote: > > And get rid of the mmap_sem calls, as part of that. Note > > that get_user_pages_fast() will, if necessary, fall back to > > __gup_longterm_unlocked(), which takes the mmap_sem as needed. > > > > Reviewed-by: Jan Kara <jack@xxxxxxx> > > Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx> > > Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx> > > Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx> > > Looks fine, > > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > > Jason, can you queue this up for 5.5 to reduce this patch stack a bit? Yes, I said I'd do this in an earlier revision. Now that it is clear this won't go through Andrew's tree, applied to rdma for-next Thanks, Jason