mempool: fix mempool virt populate with small chunks

[dpdk.git] / lib / librte_mempool / rte_mempool.h

diff --git a/lib/librte_mempool/rte_mempool.h b/lib/librte_mempool/rte_mempool.h
index f81152a..c08bb44 100644 (file)
--- a/lib/librte_mempool/rte_mempool.h
+++ b/lib/librte_mempool/rte_mempool.h
@@ -1108,7 +1108,10 @@ rte_mempool_free(struct rte_mempool *mp);
  * @return
  *   The number of objects added on success.
  *   On error, the chunk is not added in the memory list of the
- *   mempool and a negative errno is returned.
+ *   mempool and a negative errno is returned:
+ *   (-ENOBUFS): not enough room in chunk for one object.
+ *   (-ENOSPC): mempool is already populated.
+ *   (-ENOMEM): allocation failure.
  */
 int rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr,
        rte_iova_t iova, size_t len, rte_mempool_memchunk_free_cb_t *free_cb,