mlx4_pd_alloc
int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
EXPORT_SYMBOL_GPL(mlx4_pd_alloc);
if (mlx4_pd_alloc(dev, &mdev->priv_pdn))
err = mlx4_pd_alloc(to_mdev(ibdev)->dev, &pd->pdn);
if (mlx4_pd_alloc(dev, &ibdev->priv_pdn))