165 typedef unsigned char freelist_idx_t;  typedef
167 typedef unsigned short freelist_idx_t;  typedef
170 #define SLAB_OBJ_MAX_NUM ((1 << sizeof(freelist_idx_t) * BITS_PER_BYTE) - 1)
469 		num = slab_size / (buffer_size + sizeof(freelist_idx_t));  in cache_estimate()
471 			(buffer_size + sizeof(freelist_idx_t));  in cache_estimate()
1764 			freelist_size = num * sizeof(freelist_idx_t);  in calculate_slab_order()
1911 	if (cachep->num * sizeof(freelist_idx_t) > cachep->object_size)  in set_objfreelist_slab_cache()
1945 	if (left >= cachep->num * sizeof(freelist_idx_t))  in set_off_slab_cache()
2120 	cachep->freelist_size = cachep->num * sizeof(freelist_idx_t);  in __kmem_cache_create()
2393 static inline freelist_idx_t get_free_obj(struct page *page, unsigned int idx)  in get_free_obj()
2395 	return ((freelist_idx_t *)page->freelist)[idx];  in get_free_obj()
2399 					unsigned int idx, freelist_idx_t val)  in set_free_obj()
2401 	((freelist_idx_t *)(page->freelist))[idx] = val;  in set_free_obj()
2486 static freelist_idx_t next_random_slot(union freelist_init_state *state)  in next_random_slot()
2496 	swap(((freelist_idx_t *)page->freelist)[a],  in swap_free_obj()
2497 		((freelist_idx_t *)page->freelist)[b]);  in swap_free_obj()