the structures ``rte_memseg`` and ``rte_memzone``.
The field ``iova`` is remaining from the old unions.
+* mempool: Removed the unioned fields ``phys_addr`` and ``physaddr`` from
+ the structures ``rte_mempool_memhdr`` and ``rte_mempool_objhdr``.
+ The field ``iova`` is remaining from the old unions.
+ The flag name ``MEMPOOL_F_NO_PHYS_CONTIG`` is removed,
+ while the aliased flag ``MEMPOOL_F_NO_IOVA_CONTIG`` is kept.
+
* mbuf: Removed the unioned field ``refcnt_atomic`` from
the structures ``rte_mbuf`` and ``rte_mbuf_ext_shared_info``.
The field ``refcnt`` is remaining from the old unions.