static inline void *get_freelist(struct kmem_cache *s, struct page *page)
{
	struct page new;
	unsigned long counters;
	void *freelist;

	do {
		freelist = page->freelist;
		counters = page->counters;

		new.counters = counters;
		VM_BUG_ON(!new.frozen);

		new.inuse = page->objects;
		new.frozen = freelist != NULL;

	} while (!__cmpxchg_double_slab(s, page,
		freelist, counters,
		NULL, new.counters,
		"get_freelist"));

	return freelist;
}
static inline void *get_freelist(struct kmem_cache *s, struct page *page)
{
	struct page new;
	unsigned long counters;
	void *freelist;

	do {
		freelist = page->freelist;
		counters = page->counters;

		new.counters = counters;
		VM_BUG_ON(!new.frozen);

		new.inuse = page->objects;
		new.frozen = freelist != NULL;

	} while (!__cmpxchg_double_slab(s, page,
		freelist, counters,
		NULL, new.counters,
		"get_freelist"));

	return freelist;
}