9.13 Cannot Change Memory Configuration of Running PVHVM Guests Based on CentOS 6

For PVHVM guests based on CentOS 6, the available memory is set to the maximum memory in the virtual machine configuration when the virtual machine starts. Any operations to modify the memory while the guest is running complete successfully but do not take effect.

Workaround: Stop the virtual machine and then change the memory configuration.

Bug 26542210

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