On Wed, Dec 04, 2019 at 01:36:03PM -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: Christoph Hellwig <hch@xxxxxx> > 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> > --- > drivers/infiniband/core/umem.c | 17 ++++++----------- > 1 file changed, 6 insertions(+), 11 deletions(-) > Thanks, Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>