一个页面淘汰算法使用LRU页面淘汰算法，并且在淘汰一页时，只将该页在页表中修改状态位。而不再判断它是否被改写过，也不将它写回到辅存。-Algorithm uses a page out LRU algorithm for page out, and out of one, only the page in the page table to modify the status bits. Rather to determine whether it had been rewritten, not