Function create_cache_with_new_size

libCacheSim/cache/cache.c:115–133

* @brief this function is called by all eviction algorithms to clone old cache * with new size * * @param old_cache * @param new_size * @return cache_t* pointer to the new cache */

 * @return cache_t* pointer to the new cache
 */
cache_t *create_cache_with_new_size(const cache_t *old_cache, uint64_t new_size) {
  common_cache_params_t cc_params = {
      .cache_size = new_size,
      .hashpower = old_cache->hashtable->hashpower,
      .default_ttl = old_cache->default_ttl,
      .consider_obj_metadata = old_cache->obj_md_size == 0 ? false : true,
  };
  assert(sizeof(cc_params) == 24);
  cache_t *cache = old_cache->cache_init(cc_params, old_cache->init_params);
  if (old_cache->admissioner != NULL) {
    cache->admissioner = old_cache->admissioner->clone(old_cache->admissioner);
  }
  if (old_cache->prefetcher != NULL) {
    cache->prefetcher = old_cache->prefetcher->clone(old_cache->prefetcher, new_size);
  }
  cache->future_stack_dist = old_cache->future_stack_dist;
  cache->future_stack_dist_array_size = old_cache->future_stack_dist_array_size;
  return cache;
}

/**
 * @brief whether the request can be inserted into cache