Don't allow arbitrary ram disks being loaded any more, due to funny check.
Don't allow arbitrary ram disks being loaded any more, due to funny check.


danielbarter/minix_book,veritas-shine/minix3-rpi,danielbarter/minix_book,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,danielbarter/minix_book,veritas-shine/minix3-rpi,danielbarter/minix_book,danielbarter/minix_book,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,danielbarter/minix_book,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi