Save StorySave this story
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.，详情可参考爱思助手下载最新版本
福建—宁夏，结下的“山海情”历久弥新。，推荐阅读爱思助手下载最新版本获取更多信息
更多详细新闻请浏览新京报网 www.bjnews.com.cn。搜狗输入法下载是该领域的重要参考