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lines changed Original file line number Diff line number Diff line change 7373```
7474
7575<div align =" center " > <img src =" https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/eb859228-c0f2-4bce-910d-d9f76929352b.png " /> </div ><br >
76+
7677## 3. 最近未使用
7778
7879> NRU, Not Recently Used
8889
8990NRU 优先换出已经被修改的脏页面(R=0,M=1),而不是被频繁使用的干净页面(R=1,M=0)。
9091
91- ## 4. 先进先出
92+ ## 4. 先进先出
9293
9394> FIFO, First In First Out
9495
Original file line number Diff line number Diff line change 7373```
7474
7575<div align =" center " > <img src =" https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/eb859228-c0f2-4bce-910d-d9f76929352b.png " /> </div ><br >
76+
7677## 3. 最近未使用
7778
7879> NRU, Not Recently Used
8889
8990NRU 优先换出已经被修改的脏页面(R=0,M=1),而不是被频繁使用的干净页面(R=1,M=0)。
9091
91- ## 4. 先进先出
92+ ## 4. 先进先出
9293
9394> FIFO, First In First Out
9495
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