Function domainset_valid

freebsd/kern/kern_cpuset.c:456–462

Return 1 if child is a valid subset of parent. */

/* Return 1 if child is a valid subset of parent. */
static int
domainset_valid(const struct domainset *parent, const struct domainset *child)
{
	if (child->ds_policy != DOMAINSET_POLICY_PREFER)
		return (DOMAINSET_SUBSET(&parent->ds_mask, &child->ds_mask));
	return (DOMAINSET_ISSET(child->ds_prefer, &parent->ds_mask));
}

static int
domainset_restrict(const struct domainset *parent,