Tracking memory usage via page_owner

Solution Verified - Updated -

Issue

  • Memory utilization is high, although there are no processes running on the server and ballooning is not occurring (if a hypervisor is involved).
  • How do you determine who is using (owns) the pages of memory?

Environment

  • Red Hat Enterprise Linux 7
    • specifically kernel-3.10.0-1160.el7 and above
  • Red Hat Enterprise Linux 8

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