rtm_create_pool
status_t rtm_create_pool(rtm_pool** _pool, size_t totalSize,
status_t rtm_create_pool(rtm_pool** _pool, size_t totalSize, const char* name);
if (rtm_create_pool(&fRtmPool, size) != B_OK)
rtm_create_pool(&fRealTimePool, maxBytes, "media chunk cache");