__vm_alloc_page
gva_t __vm_alloc_page(struct kvm_vm *vm, enum kvm_mem_region_type type);
vm->arch.gdt = __vm_alloc_page(vm, MEM_REGION_DATA);
vm->arch.idt = __vm_alloc_page(vm, MEM_REGION_DATA);
vm->handlers = __vm_alloc_page(vm, MEM_REGION_DATA);
vm->arch.tss = __vm_alloc_page(vm, MEM_REGION_DATA);