maxcpus kernel parameter is not working as expected as RHEL 7 system still has all CPUs enabled after boot is complete

Solution In Progress - Updated -

Issue

  • The maxcpus kernel boot parameter is not working as expected because all CPUs are active once system is booted.

Environment

  • Red Hat Enterprise Linux (RHEL) 7
    • systemd-208-20.el7 (or later)

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.