[PATCH v2] doc: add deprecation notice for memory hotplug changes

[Anatoly Burakov <anatoly.burakov@intel.com>]

Due to coming changes outlined in memory hotplug RFC, there will
be several API/ABI changes.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
---

Notes:
    Patch outlining future changes:
    http://dpdk.org/dev/patchwork/patch/32467/
    
    v2: added rte_mem_config and rte_memzone changes to the announcement

 doc/guides/rel_notes/deprecation.rst | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 13e8543..93cbeea 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -8,6 +8,15 @@ API and ABI deprecation notices are to be posted here.
 Deprecation Notices
 -------------------
 
+* eal: due to internal data layoyut reorganization, there will be changes to
+  several structures and functions as a result of coming changes to support
+  memory hotplug in v18.05.
+  ``rte_eal_get_physmem_layout`` will be deprecated and removed in subsequent
+  releases.
+  ``rte_mem_config`` contents will change due to switch to memseg lists.
+  ``rte_memzone`` member ``memseg_id`` will no longer serve any useful purpose
+  and will be removed.
+
 * eal: several API and ABI changes are planned for ``rte_devargs`` in v18.02.
   The format of device command line parameters will change. The bus will need
   to be explicitly stated in the device declaration. The enum ``rte_devtype``
-- 
2.7.4