Function swap::controller::handle_vmm_swap

fn handle_vmm_swap<'scope, 'env>(
    scope: &'scope Scope<'scope, 'env>,
    wait_ctx: &WaitContext<Token>,
    page_handler: &'env PageHandler<'env>,
    uffd_list: &'env mut UffdList<'_, Token, DeadUffdCheckerImpl>,
    guest_memory: &GuestMemory,
    regions: &[Range<usize>],
    command_tube: &Tube,
    worker: &Worker<MoveToStaging>,
    state_transition: &'env Mutex<SwapStateTransition>,
    bg_job_control: &'env BackgroundJobControl
) -> Result<VmmSwapResult>