| 摘要 |
Memory support of heterogeneous virtual machine operating system guests. A virtual machine monitor (VMM) is launched on a computer system. A first virtual machine (VM) supported by the VMM is launched, the first VM to support a first guest operating system (OS). A second VM supported by the VMM is launched, the second VM to support a second guest OS, wherein a number of memory addressing bits of the first guest OS is smaller than a number of memory addressing bits of the second guest OS. Pages for the first guest OS are maintained at a lower level in a guest OS page table hierarchy than pages for the second guest OS in the guest OS page table hierarchy.
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