Page allocation failures messages are observed during memory hotplug when system is under memory pressure.

Solution In Progress - Updated -

Issue

  • Page allocation failures observed during memory hotplug when system is under memory pressure.
  • kworker/u128:2: page allocation failure: order:9, mode:0x84d0
  • vmemmap: falling back to regular page backing

Environment

  • Red Hat Enterprise Linux 7.x running as virtual guest.

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