From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <konstantin.ananyev@intel.com>
Received: from mga03.intel.com (mga03.intel.com [134.134.136.65])
 by dpdk.org (Postfix) with ESMTP id 6C9F98D88
 for <dev@dpdk.org>; Thu, 10 Dec 2015 17:32:22 +0100 (CET)
Received: from fmsmga002.fm.intel.com ([10.253.24.26])
 by orsmga103.jf.intel.com with ESMTP; 10 Dec 2015 08:32:20 -0800
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.20,409,1444719600"; d="scan'208";a="870988251"
Received: from irsmsx107.ger.corp.intel.com ([163.33.3.99])
 by fmsmga002.fm.intel.com with ESMTP; 10 Dec 2015 08:32:07 -0800
Received: from irsmsx105.ger.corp.intel.com ([169.254.7.203]) by
 IRSMSX107.ger.corp.intel.com ([169.254.10.124]) with mapi id 14.03.0248.002;
 Thu, 10 Dec 2015 16:32:06 +0000
From: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
To: "Iremonger, Bernard" <bernard.iremonger@intel.com>, "dev@dpdk.org"
 <dev@dpdk.org>
Thread-Topic: [PATCH v3] examples/vhost: reduce number of hugepages needed
Thread-Index: AQHRM2JdxxWoJyR40E+l529lcvlU0J7EaavQ
Date: Thu, 10 Dec 2015 16:32:06 +0000
Message-ID: <2601191342CEEE43887BDE71AB97725836AD2700@irsmsx105.ger.corp.intel.com>
References: <1449755601-25670-1-git-send-email-bernard.iremonger@intel.com>
 <1449762557-28782-1-git-send-email-bernard.iremonger@intel.com>
In-Reply-To: <1449762557-28782-1-git-send-email-bernard.iremonger@intel.com>
Accept-Language: en-IE, en-US
Content-Language: en-US
X-MS-Has-Attach: 
X-MS-TNEF-Correlator: 
x-originating-ip: [163.33.239.180]
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
Subject: Re: [dpdk-dev] [PATCH v3] examples/vhost: reduce number of
	hugepages needed
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: Thu, 10 Dec 2015 16:32:22 -0000



> -----Original Message-----
> From: Iremonger, Bernard
> Sent: Thursday, December 10, 2015 3:49 PM
> To: dev@dpdk.org
> Cc: Xie, Huawei; yuanhan.liu@linux.intel.com; Ananyev, Konstantin; Iremon=
ger, Bernard
> Subject: [PATCH v3] examples/vhost: reduce number of hugepages needed
>=20
> Add #ifndef MAX_QUEUES to change MAX_QUEUES at compile time if needed.
> Change MAX_QUEUES from 512 to 128 to reduce the number of hugepages
> required by the vhost-switch program.
>=20
> To change MAX_QUEUES add '-D MAX_QUEUES=3D512' to the EXTRA_CFLAGS variab=
le,
> before building the application.
>=20
> Changes in v3:
> Added #ifndef MAX_QUEUES line before #define MAX_QUEUES 128
>=20
> Changes in v2:
> remove comment added before #define MAX_QUEUES in v1 patch.
>=20
> Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
> ---
>  examples/vhost/main.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>=20
> diff --git a/examples/vhost/main.c b/examples/vhost/main.c
> index b30f1bd..2dcdacb 100644
> --- a/examples/vhost/main.c
> +++ b/examples/vhost/main.c
> @@ -1,7 +1,7 @@
>  /*-
>   *   BSD LICENSE
>   *
> - *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
> + *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
>   *   All rights reserved.
>   *
>   *   Redistribution and use in source and binary forms, with or without
> @@ -53,7 +53,9 @@
>=20
>  #include "main.h"
>=20
> -#define MAX_QUEUES 512
> +#ifndef MAX_QUEUES
> +#define MAX_QUEUES 128
> +#endif
>=20
>  /* the maximum number of external ports supported */
>  #define MAX_SUP_PORTS 1
> --

Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

> 2.6.3