def contains_no_backer(self, addr):
        """
        Tests if the address is contained in any page of paged memory, without considering memory backers.

        :param int addr: The address to test.
        :return: True if the address is included in one of the pages, False otherwise.
        :rtype: bool
        """

        for i, p in self._pages.items():
            if i * self._page_size <= addr < (i + 1) * self._page_size:
                return addr - (i * self._page_size) in p.keys()
        return False