+int
+rte_memzone_free(const struct rte_memzone *mz)
+{
+ struct rte_mem_config *mcfg;
+ int ret = 0;
+ void *addr;
+ unsigned idx;
+
+ if (mz == NULL)
+ return -EINVAL;
+
+ mcfg = rte_eal_get_configuration()->mem_config;
+
+ rte_rwlock_write_lock(&mcfg->mlock);
+
+ idx = ((uintptr_t)mz - (uintptr_t)mcfg->memzone);
+ idx = idx / sizeof(struct rte_memzone);
+
+ addr = mcfg->memzone[idx].addr;
+ if (addr == NULL)
+ ret = -EINVAL;
+ else if (mcfg->memzone_cnt == 0) {
+ rte_panic("%s(): memzone address not NULL but memzone_cnt is 0!\n",
+ __func__);
+ } else {
+ memset(&mcfg->memzone[idx], 0, sizeof(mcfg->memzone[idx]));
+ mcfg->memzone_cnt--;
+ }
+
+ rte_rwlock_write_unlock(&mcfg->mlock);
+
+ rte_free(addr);
+
+ return ret;
+}
+