The A/D bits exist entirely for the operating system's benefit. The Accessed bit tells the OS which pages have been recently used, enabling page replacement algorithms to choose pages to evict when memory runs low. The Dirty bit tells the OS which pages have been modified and must be written back to disk before eviction; clean pages can simply be discarded and re-read from disk later.
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。关于这个话题，heLLoword翻译官方下载提供了深入分析
亞洲大多數較小型經濟體也會對可能惹怒特朗普保持謹慎，因為「它們的處境將極大取決於與這屆特朗普政府的關係」，薩姆丁稱。
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