static ssize_t aliases_show(struct kmem_cache *s, char *buf)
{
	return sprintf(buf, "%d\n", s->refcount < 0 ? 0 : s->refcount - 1);
}
static ssize_t aliases_show(struct kmem_cache *s, char *buf)
{
	return sprintf(buf, "%d\n", s->refcount < 0 ? 0 : s->refcount - 1);
}