cbsensor module's slab cache using high amounts of unreclaimable slab leading to oom-killer event.

Solution Unverified - Updated -

Issue

  • Server was responding extremely slowly.
  • Out of Memory event present in the logs.
  • cb_nethash_cache OR cb_pt_cache consuming high amounts of unreclaimable slab.

Environment

  • Red Hat Enterprise Linux 6
  • Third-party kernel module [cbsensor]

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