os_vmobj_map
error = os_vmobj_map(os_kernel_map, (vaddr_t *)&vcpu->comm,
error = os_vmobj_map(os_curproc_map, (vaddr_t *)&args->comm,
error = os_vmobj_map(os_curproc_map, &uva, hmapping->size,
error = os_vmobj_map(&mach->vm->vm_map, &gpa, args->size, vmobj, off,
int os_vmobj_map(struct vm_map *, vaddr_t *, vsize_t, os_vmobj_t *,