From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <daxayrawal@gmail.com>
Received: from mail-wg0-f44.google.com (mail-wg0-f44.google.com [74.125.82.44])
 by dpdk.org (Postfix) with ESMTP id 7FA63BDC2
 for <dev@dpdk.org>; Wed,  3 Jun 2015 20:58:41 +0200 (CEST)
Received: by wgez8 with SMTP id z8so16897297wge.0
 for <dev@dpdk.org>; Wed, 03 Jun 2015 11:58:41 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
 h=mime-version:in-reply-to:references:date:message-id:subject:from:to
 :cc:content-type;
 bh=Lyxh2UTl3j/kOVnX4HbiRf+9VR3+AXHpXm1IC+9B+XM=;
 b=oilnPDTRTQB2lBUIHMODrKyL7s5UEPBzvmF8GPidqH7A8MkgJeYPyoDlBjwJpMvlJk
 jcb5EJcENWN/qXccuw9ICz1Y5RctUazekDIg6bDo8kkRBRw0ZaI2LZXmM4rfWizoZR1c
 Ua+c07GYItl8kFlfwB9igtURQqalzaKWhxTw3pFJuC6K8n8c8l7iuN+WXe1iR4KrvtBy
 +l4Qo1nhAsQvV1W+44OZRM04ZNzxVfMv24AcpNJHXFoi9vsWaqyLl8l5dBYq4zQCMLeI
 gfPOWtpOCwnECS7OdEL4rpixDzRPAtcMwW48o8bzNncwhxLvtCeupLuEcJf6PkBgda4f
 a1Ag==
MIME-Version: 1.0
X-Received: by 10.194.97.196 with SMTP id ec4mr64598378wjb.3.1433357921376;
 Wed, 03 Jun 2015 11:58:41 -0700 (PDT)
Received: by 10.194.20.74 with HTTP; Wed, 3 Jun 2015 11:58:41 -0700 (PDT)
In-Reply-To: <20150603113630.06cc7b8c@cchemparathy-ubuntu>
References: <CAD6B5uUNqiD18LJQXDaA9FaOhJTepjF4woZFTM34R6FjSPLxEw@mail.gmail.com>
 <20150603113630.06cc7b8c@cchemparathy-ubuntu>
Date: Wed, 3 Jun 2015 11:58:41 -0700
Message-ID: <CAD6B5uWFfNxydROmiueMuHoJMbjqU3aRROpHOZEx9b66Rre8cQ@mail.gmail.com>
From: Dax Rawal <daxayrawal@gmail.com>
To: Cyril Chemparathy <cchemparathy@ezchip.com>
Content-Type: text/plain; charset=UTF-8
X-Content-Filtered-By: Mailman/MimeDel 2.1.15
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] mempool with custom alignment
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Wed, 03 Jun 2015 18:58:41 -0000

Hi Cyril,

Definitely, yes.

Thanks.
-Dax


On Wed, Jun 3, 2015 at 11:36 AM, Cyril Chemparathy <cchemparathy@ezchip.com>
wrote:

> On Wed, 3 Jun 2015 11:30:17 -0700
> Hi Dax,
>
> Dax Rawal <daxayrawal@gmail.com> wrote:
>
> > Hi,
> > I use mempool APIs to allocate DMA-able descriptor ring and buffers
> > so that I get both physical and virtual addresses of allocated
> > memory. I buffers I get from the mempool APIs are 64 byte aligned. My
> > requirement is 256byte alignment. How to achieve this? mempool APIs
> > do not seem to take alignment parameters.
> >
>
> I have a patch that allows configuration override of mempool element
> alignment to allow for larger alignment limits (e.g. 128B on the
> TILE-Gx platform, 256B on yours). Would that suffice? If so, I'd be
> happy to post this patch on the mailing list.
>
> Thanks
> -- Cyril.
>