To resolve the page fault, the AIX kernel loads the referenced page to a location in real memory.
为了解决缺页，AIX内核会将所引用的分页加载到实际内存中的某个位置。
When the number of free page frames gets to a low value, the AIX kernel must empty out some locations in real memory for reuse of new pages.
当空闲分页框架的数目达到某个较低的值时，AIX内核就必须清空实际内存中的某些位置，以便重用新的分页。
When an application references a page that is not mapped into real memory, the system generates a page fault.
如果应用程序引用了某个分页，而该分页并没有映射到实际内存中，那么系统将产生一个缺页。
Once a page is loaded into real memory, it is marked as unmodified.
在将分页加载到实际内存中之后，它将被标记为未经修改的。
Entry consists of the virtual address of the page stored in that real memory location, with information about the process that owns that page.
表项包含真正内存地址的页的虚拟地址，它包括拥有这个页的进程的信息。
One entry for each real page of memory.
一个内存中页的表项。
One entry for each real page of memory.
一个内存中页的表项。
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