To transfer instructions, data, or both, between real storage and external pagestorage.
在实存储器和外部页式存储器之间传送指令、数据或指令和数据。
2
An instruction storage interrupt is a page fault on an instruction fetch.
指令存储中断通常是指在取出指令时发生页面错误。
3
As mentioned earlier, an unmodified permanent storagepage can just be released without being written to the file system, since the file system contains a pristine copy of the data.