mount("sysfs", "/sys", "sysfs", MS_NOATIME, 0);
mount("none", "/sys/fs/cgroup", "cgroup", 0, 0);
mount("tmpfs", "/dev", "tmpfs", MS_NOATIME, "mode=0755,size=512K");
mount("sysfs", "/sys", "sysfs", MS_NOATIME, 0);
mount("none", "/sys/fs/cgroup", "cgroup", 0, 0);
mount("tmpfs", "/dev", "tmpfs", MS_NOATIME, "mode=0755,size=512K");