Why does Xen Dom0 kernel not show total available main memory?

Solution Unverified - Updated -

Issue

  • /proc/meminfo and free command do not show the total memory available on Xen kernel system.
  • OS does not show total available memory.

Environment

  • Red Hat Enterprise Linux 5.3 and above
  • Xen Virtualization
  • System memory greater than 32Gb

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