Function cpuset_getroot

freebsd/kern/kern_cpuset.c:159–166

* Walks up the tree from 'set' to find the root. */

 * Walks up the tree from 'set' to find the root.
 */
static struct cpuset *
cpuset_getroot(struct cpuset *set)
{

	while ((set->cs_flags & CPU_SET_ROOT) == 0 && set->cs_parent != NULL)
		set = set->cs_parent;
	return (set);
}

/*
 * Acquire a reference to a cpuset, all pointers must be tracked with refs.