If the LPAR requires a page that has not yet been migrated, then it will be "demand-paged" from the source system.
如果 LPAR 需要还没有转移的页面，那么它会根据需要从源 系统获取页面。
2
The AIX kernel can then use this information to determine which class of pages is being re-paged more heavily (thus, indicating which class of pages is experiencing higher demand).