/* reservetop=size reserves a hole at the top of the kernel address space which a hypervisor can load into later. Needed for dynamically loaded hypervisors, so relocating the fixmap can be done before paging initialization.  */
static int __init parse_reservetop(char *arg)
/* reservetop=size reserves a hole at the top of the kernel address space which a hypervisor can load into later. Needed for dynamically loaded hypervisors, so relocating the fixmap can be done before paging initialization.  */
static int __init parse_reservetop(char *arg)
{
	unsigned long address;
	if (!arg)
		return -EINVAL;
	address = memparse(arg, &arg);
	reserve_top_address(address);
	return 0;
}