The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.

Chapter 1 The Unbreakable Enterprise Kernel

This chapter describes the advanced features that are available with the Unbreakable Enterprise Kernel (UEK).