When VM size is larger than 4G (u32) and memory region is larger than 4G,
the 32-bit GCD function overflowed and returned wrong value
that resulted in memory registration failure.
This patch calls 64-bit GCD function to avoid overflow.
Fixes: cc07a42da2 ("vdpa/mlx5: prepare memory regions")
Cc: stable@dpdk.org
Signed-off-by: Xueming Li <xuemingl@nvidia.com>
Reviewed-by: Matan Azrad <matan@nvidia.com>
6e914454d5