From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f170.google.com (mail-pd0-f170.google.com [209.85.192.170]) by kanga.kvack.org (Postfix) with ESMTP id 717686B0032 for ; Mon, 29 Jun 2015 21:52:13 -0400 (EDT) Received: by pdbci14 with SMTP id ci14so126346236pdb.2 for ; Mon, 29 Jun 2015 18:52:13 -0700 (PDT) Received: from mga14.intel.com (mga14.intel.com. [192.55.52.115]) by mx.google.com with ESMTP id fh4si67307884pdb.61.2015.06.29.18.52.12 for ; Mon, 29 Jun 2015 18:52:12 -0700 (PDT) Message-ID: <5591F64A.3040108@intel.com> Date: Mon, 29 Jun 2015 18:52:10 -0700 From: Dave Hansen MIME-Version: 1.0 Subject: Re: [RFC v2 PATCH 0/8] mm: mirrored memory support for page buddy allocations References: <558E084A.60900@huawei.com> <559161EF.7050405@intel.com> <5591F042.1020304@huawei.com> In-Reply-To: <5591F042.1020304@huawei.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Xishi Qiu Cc: Andrew Morton , "H. Peter Anvin" , Ingo Molnar , "Luck, Tony" , Hanjun Guo , Xiexiuqi , leon@leon.nu, Kamezawa Hiroyuki , Naoya Horiguchi , Vlastimil Babka , Mel Gorman , Linux MM , LKML On 06/29/2015 06:26 PM, Xishi Qiu wrote: >> > Has there been any performance analysis done on this code? I'm always >> > nervous when I see page_alloc.c churn. >> > > Not yet, which benchmark do you suggest? mmtests is always a good place to start. aim9. I'm partial to will-it-scale. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752755AbbF3BwW (ORCPT ); Mon, 29 Jun 2015 21:52:22 -0400 Received: from mga09.intel.com ([134.134.136.24]:40213 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751754AbbF3BwN (ORCPT ); Mon, 29 Jun 2015 21:52:13 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,374,1432623600"; d="scan'208";a="737319861" Message-ID: <5591F64A.3040108@intel.com> Date: Mon, 29 Jun 2015 18:52:10 -0700 From: Dave Hansen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: Xishi Qiu CC: Andrew Morton , "H. Peter Anvin" , Ingo Molnar , "Luck, Tony" , Hanjun Guo , Xiexiuqi , leon@leon.nu, Kamezawa Hiroyuki , Naoya Horiguchi , Vlastimil Babka , Mel Gorman , Linux MM , LKML Subject: Re: [RFC v2 PATCH 0/8] mm: mirrored memory support for page buddy allocations References: <558E084A.60900@huawei.com> <559161EF.7050405@intel.com> <5591F042.1020304@huawei.com> In-Reply-To: <5591F042.1020304@huawei.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/29/2015 06:26 PM, Xishi Qiu wrote: >> > Has there been any performance analysis done on this code? I'm always >> > nervous when I see page_alloc.c churn. >> > > Not yet, which benchmark do you suggest? mmtests is always a good place to start. aim9. I'm partial to will-it-scale.