From patchwork Fri Feb 12 18:38:25 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wiles, Keith" X-Patchwork-Id: 10493 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 3DE8D95DA; Fri, 12 Feb 2016 19:38:30 +0100 (CET) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 58A4295D9 for ; Fri, 12 Feb 2016 19:38:28 +0100 (CET) Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga102.fm.intel.com with ESMTP; 12 Feb 2016 10:38:28 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,436,1449561600"; d="scan'208";a="46984226" Received: from bvanipen-mobl1.amr.corp.intel.com ([10.254.75.40]) by fmsmga004.fm.intel.com with ESMTP; 12 Feb 2016 10:38:28 -0800 From: Keith Wiles To: dev@dpdk.org Date: Fri, 12 Feb 2016 12:38:25 -0600 Message-Id: <1455302305-48977-1-git-send-email-keith.wiles@intel.com> X-Mailer: git-send-email 2.5.4 (Apple Git-61) Subject: [dpdk-dev] [PATCH] doc: deprecation notice in 16.04 for rte_mempool changes X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Deprecation notice for 16.04 for changes to occur in release 16.07 for rte_mempool memory reduction. Signed-off-by: Keith Wiles Acked-by: Olivier Matz Acked-by: David Hunt Acked-by: John McNamara --- doc/guides/rel_notes/deprecation.rst | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst index e94d4a2..748a48d 100644 --- a/doc/guides/rel_notes/deprecation.rst +++ b/doc/guides/rel_notes/deprecation.rst @@ -49,3 +49,13 @@ Deprecation Notices commands (such as RETA update in testpmd). This should impact CMDLINE_PARSE_RESULT_BUFSIZE, STR_TOKEN_SIZE and RDLINE_BUF_SIZE. It should be integrated in release 2.3. + +* ABI change is planned for the rte_mempool structure to allow mempool + cache support to be dynamic depending on the mempool being created + needing cache support. Saves about 1.5M of memory per rte_mempool structure + by removing the per lcore cache memory. Change will occur in DPDK 16.07 + release and will skip the define RTE_NEXT_ABI in DPDK 16.04 release. The + code effected is app/test/test_mempool.c and librte_mempool/rte_mempool.[ch]. + The rte_mempool.local_cache will be converted from an array to a pointer to + allow for dynamic allocation of the per lcore cache memory. +