This can also happen when the VM system is shutdown with the SHUTDOWN command, which is not an issue for a Linux swap device.
这在 VM 系统使用 COMMAND 命令关闭时也会发生,而 Linux 交换设备则不存在这种问题。
The benefit of a VM system is that physical RAM is more effectively used — this happens because it only holds executing applications and the data being used.
VM系统的优点在于,物理ram得到了更有效的利用——这是因为它仅包含正在执行的应用程序和正在使用的数据。
Despite this, the performance of the rmap patch — especially on high-end systems and under heavy loads — is significantly better than the 2.4 kernel's VM system.
尽管如此,rmap的性能——尤其是处于高负载的高端系统——相对于2.4内核的虚拟内存系统还是有了显著的提高。
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