__add_partial(struct kmem_cache_node *n, struct page *page, int tail)
{
	n->nr_partial++;
	if (tail == DEACTIVATE_TO_TAIL)
		list_add_tail(&page->slab_list, &n->partial);
	else
		list_add(&page->slab_list, &n->partial);
}
__add_partial(struct kmem_cache_node *n, struct page *page, int tail)
{
	n->nr_partial++;
	if (tail == DEACTIVATE_TO_TAIL)
		list_add_tail(&page->slab_list, &n->partial);
	else
		list_add(&page->slab_list, &n->partial);
}