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.
Билл Клинтон сделал жесткое заявление о преступлениях ЭпштейнаБилл Клинтон заявил, что непричастен к преступлениям Эпштейна，更多细节参见爱思助手下载最新版本
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The last decade hasn’t been smooth. Brewster rattles off challenges: tariffs on equipment and consumables sourced from China, Europe, Mexico, and Canada; price hikes on vinyl and paper; labor shortages; and SBA lending issues layered on top of the whiplash of COVID, when only “necessary businesses” were allowed to stay open.
Жители Санкт-Петербурга устроили «крысогон»17:52。Line官方版本下载对此有专业解读