sudo mkdir -p /mnt/hugetlbfs-2M
sudo mount -t hugetlbfs -o mode=777,pagesize=2m none /mnt/hugetlbfs-2M

sudo mkdir -p /mnt/hugetlbfs-1G
sudo mount -t hugetlbfs -o mode=777,pagesize=1g none /mnt/hugetlbfs-1G