FreeRange user liu monokeroz wanted you to see this:
"剖析Linux Kernel Shared Memory"
Linux Kernel 2.6.32引入了Kernel Shared Memory (KSM)，允许虚拟机监视器通过合并相同的内存页增加并存的虚拟机数量。IBM开发者园地的一篇文章剖析了Kernel Shared Memory，探索KSM背后的理念，它的实现和如何管理。
Solidot
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