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CONFIG_SHARED_KERNEL: VM shared kernel support

General informations

The Linux kernel configuration item CONFIG_SHARED_KERNEL:

Help text

Select this option, if you want to share the text segment of the Linux kernel between different VM guests. This reduces memory usage with lots of guests but greatly increases kernel size. Also if a kernel was IPL'ed from a shared segment the kexec system call will not work. You should only select this option if you know what you are doing and want to exploit this feature.



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