Instead of just checking for a write access, calculate the
flags that are passed to handle_mm_fault() more precisly and
use the pre-defined macros.
Reviewed-by: NJesse Barnes <jbarnes@virtuousgeek.org>
Acked-By: NDavid Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: NJoerg Roedel <jroedel@suse.de>