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?
