LRU_HASH_PREALLOC
if (test == LRU_HASH_PREALLOC) {
do_test_lru(LRU_HASH_PREALLOC, cpu);
[LRU_HASH_PREALLOC] = test_lru_hash_prealloc,
[LRU_HASH_PREALLOC] = "lru_hash_map",