From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124])
	by inbox.dpdk.org (Postfix) with ESMTP id 1F16645A66;
	Mon, 30 Sep 2024 11:19:14 +0200 (CEST)
Received: from mails.dpdk.org (localhost [127.0.0.1])
	by mails.dpdk.org (Postfix) with ESMTP id 9D01E40299;
	Mon, 30 Sep 2024 11:19:13 +0200 (CEST)
Received: from szxga05-in.huawei.com (szxga05-in.huawei.com [45.249.212.191])
 by mails.dpdk.org (Postfix) with ESMTP id E97CC4027D
 for <dev@dpdk.org>; Mon, 30 Sep 2024 11:19:10 +0200 (CEST)
Received: from mail.maildlp.com (unknown [172.19.163.44])
 by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4XHFqC0R18z2QTxb;
 Mon, 30 Sep 2024 17:18:15 +0800 (CST)
Received: from dggpeml500024.china.huawei.com (unknown [7.185.36.10])
 by mail.maildlp.com (Postfix) with ESMTPS id 90F64140360;
 Mon, 30 Sep 2024 17:19:08 +0800 (CST)
Received: from [10.67.121.161] (10.67.121.161) by
 dggpeml500024.china.huawei.com (7.185.36.10) with Microsoft SMTP Server
 (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id
 15.1.2507.39; Mon, 30 Sep 2024 17:19:08 +0800
Message-ID: <23e57f2f-c521-4693-ba55-c1a2100dcc8c@huawei.com>
Date: Mon, 30 Sep 2024 17:19:08 +0800
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
Subject: Re: [PATCH v3 17/18] eal: add function attributes for allocation
 functions
To: Stephen Hemminger <stephen@networkplumber.org>, <dev@dpdk.org>
CC: Tyler Retzlaff <roretzla@linux.microsoft.com>, Anatoly Burakov
 <anatoly.burakov@intel.com>
References: <20240927204742.546164-1-stephen@networkplumber.org>
 <20240929154107.62539-1-stephen@networkplumber.org>
 <20240929154107.62539-18-stephen@networkplumber.org>
Content-Language: en-US
From: fengchengwen <fengchengwen@huawei.com>
In-Reply-To: <20240929154107.62539-18-stephen@networkplumber.org>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Originating-IP: [10.67.121.161]
X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To
 dggpeml500024.china.huawei.com (7.185.36.10)
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org

Acked-by: Chengwen Feng <fengchengwen@huawei.com>

On 2024/9/29 23:34, Stephen Hemminger wrote:
> The allocation functions take a alignment argument that
> can be useful to hint the compiler optimizer.
> 
> This is supported by Gcc and Clang but only useful with
> Gcc because Clang gives warning if alignment is 0.
> 
> Recent versions of GCC have a malloc attribute that can
> be used to find mismatches between allocation and free;
> the typical problem caught is a pointer allocated with
> rte_malloc() that is then incorrectly freed using free().
> 
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>