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 3 Operating System Considerations

Although various flavors of Linux are available on SPARC or RISC platforms, most Linux deployments are on x86 or x86-64 systems. Migrating to Oracle Linux while remaining on an x86 or x86-64 system is a simple task because few processor-specific issues arise during this transition. On the other hand, specific measures must be taken when transitioning from a SPARC or RISC platform.

This chapter discusses the various aspects that must be considered during migration between platform architectures.