_is_alloc_mr_unified
if (!_is_alloc_mr_unified(rdev->dev_attr->dev_cap_flags)) {
_is_alloc_mr_unified(rdev->dev_attr->dev_cap_flags));
if (!_is_alloc_mr_unified(rdev->dev_attr->dev_cap_flags)) {
_is_alloc_mr_unified(rdev->dev_attr->dev_cap_flags));