This is simply bits operation. Initailize every bit to 0, check the bit value changed. If I remember the paging in OS correctly, we manage the dirty pages like this.
回複:第一題說明
所有跟帖:
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不錯不錯。
-feicen-
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05/09/2009 postreply
17:54:16
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能否詳細說明一下,或者給出偽代碼?學習學習
-feicen-
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05/09/2009 postreply
17:56:43
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回複:能否詳細說明一下,或者給出偽代碼?學習學習
-GoldIsGold-
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05/09/2009 postreply
18:28:15
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有待仔細考慮。尤其是對"big hotel"的case,有huge number of rooms.
-戲雨飛鷹-
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05/10/2009 postreply
11:48:07
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樓上2位好厲害!PF:)。
-戲雨飛鷹-
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05/09/2009 postreply
17:58:30
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yeah, this is good
-hello2-
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05/09/2009 postreply
18:40:40
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回複:回複:第一題說明
-spear123-
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05/10/2009 postreply
18:06:06