A kernel uses page descriptors to keep track of all physical pages.Each page frame has a corresponding page descriptor.In a page descriptor the information about state of page is stored.是什么意思_A kernel uses page descriptors to keep track of all physical pages.Each page frame has a corresponding page descriptor.In a page descriptor the information about state of page is stored.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句