// We aren't modifying p, only entries in it, so we don't need to receive a pointer.
	if len(p) <= 1 {
		// Nothing to do.
		return
	}
	var ok bool
	for _, z := range p {
		if z.Available > 0 && z.MaxUsedPct < max {
			ok = true
			break
		}
	}
	if !ok {
		// All above limit.
		// Do not modify
		return
	}

	// Remove entries that are above.
	for i, z := range p {