static ssize_t objs_per_slab_show(struct kmem_cache *s, char *buf)
{
	return sprintf(buf, "%u\n", oo_objects(s->oo));
}
static ssize_t objs_per_slab_show(struct kmem_cache *s, char *buf)
{
	return sprintf(buf, "%u\n", oo_objects(s->oo));
}