Apparatus and method for controlling memory access in virtualized system

If the present invention relates to a recording medium recording a device, method and method of controlling memory access in a virtualization system, a memory access control method according to the invention, the hypervisor requesting access to a specific memory area, such according to the access request, checking whether a memory region is reserved by the virtual machine, and a memory management unit selectively permit memory access to the hypervisor in accordance with the check result, the hypervisor without authorization from the memory access by the memory management unit memory area this is denied direct access to.