Function cpuset_refbase

freebsd/kern/kern_cpuset.c:195–200

* Find the first non-anonymous set starting from 'set'. Returns this set * referenced. May return the passed in set with an extra ref if it is * not anonymous. */

 * not anonymous. 
 */
static struct cpuset *
cpuset_refbase(struct cpuset *set)
{

	return (cpuset_ref(cpuset_getbase(set)));
}

/*
 * Release a reference in a context where it is safe to allocate.