pub(crate) fn append_multiboot_info(
guest_mem: &GuestMemory,
addr: &mut GuestAddress,
data: &[u8],
) -> Result<GuestAddress>pub(crate) fn append_multiboot_info(
guest_mem: &GuestMemory,
addr: &mut GuestAddress,
data: &[u8],
) -> Result<GuestAddress>