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.
Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04
。关于这个话题，Line官方版本下载提供了深入分析
Nearly £50m of taxpayers' money has been paid by the NHS to an outsourced firm assessing claims of medical harm caused by vaccines, the BBC has found.
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Update Impracticality: The extensive pre-processing for CH makes it unsuitable for frequent updates, let alone OsmAnd’s goal of supporting near real-time changes through hourly map updates.