                    // Need to move old range to a new range and init the new range
                    let vm_initializer_for_new_range = {
                        let copy_end = vma.end();
                        let copy_range = VMRange::new(old_range.start(), copy_end)?;
                        let reread_file_start_offset = copy_end - vma.start();
                        VMInitializer::CopyOldAndReadNew {