The way demand paging works is that the kernel only loads a few pages at a time into real memory.
请求分页的工作原理是，内核一次仅装载少量页面到实际内存中。
Committed pages are loaded into main memory only when the process first references them. Hence the name on-demand paging.
提交的页只有在第一次被引用时才装入主存，因此成为请求式分页。
Committed pages are loaded into main memory only when the process first references them. Hence the name on-demand paging.
提交的页只有在第一次被引用时才装入主存，因此成为请求式分页。
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