Изменить размер корня livecd

mount 
rootfs on / type rootfs (rw)
udev on /dev type tmpfs (rw,nosuid,relatime,size=10240k,mode=755)
devpts on /dev/pts type devpts (rw,relatime,mode=600)
tmpfs on /newroot type tmpfs (rw,relatime)
/dev/sr0 on /newroot/mnt/cdrom type iso9660 (ro,relatime)
/dev/loop0 on /mnt/static type squashfs (ro,relatime)
none on /mnt/dynamic type tmpfs (rw,relatime,size=430080k)
aufs on / type aufs (rw,relatime,si=935dc9d5217fe42f)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
rc-svcdir on /lib64/rc/init.d type tmpfs (rw,nosuid,nodev,noexec,relatime,size=1024k,mode=755)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
shm on /dev/shm type tmpfs (rw,nosuid,nodev,noexec,relatime)
/dev/sda3 on /media/gentoo type ext4 (rw,nosuid,nodev,uhelper=udisks)
none on /media/gentoo/proc type proc (rw)
/dev on /media/gentoo/dev type none (rw,bind)

ls /tmp/
ls: reading directory /tmp/: No space left on device