From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11250C04A94 for ; Fri, 11 Aug 2023 06:28:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229896AbjHKG2D (ORCPT ); Fri, 11 Aug 2023 02:28:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48054 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233754AbjHKG2B (ORCPT ); Fri, 11 Aug 2023 02:28:01 -0400 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2BD9530CB; Thu, 10 Aug 2023 23:28:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1691735280; x=1723271280; h=from:to:cc:subject:references:date:in-reply-to: message-id:mime-version; bh=i2XmOYyi458NTdNnXT+FMHr0f2pdEK7kxaOKn4OXpSk=; b=n/VI2RtVie6ughm0fu/kvQ2yNZFwdJ/5bbsjK9E/MHjtaEF2eAGV0zio 0I6zDRRUumzryiY2tL4RROaOazVlw60Y6gdqMi1oUgs2zgmXMkbuuhvDZ sVanJGc99+Iso6RS71kvWnr2ss0iGWaWnVc5qoiwZGl+j2HJ+DSi+8Gbw 4Y1KyNWR5NDoew9yeoRJoDudwKXdkVXNNLMd4t5kMeBfSb6UN7ljmUk0O beIBcctmz9OC+MXz/qZAWmaix32ECVz0O4VmZJ6bwANrWlM2CtK0RIDmO Bbi/+8HcLmB/NkbKJsm8WPxTJLfX5aNO6TJpA836Os/Gg44usqBOkNI8O A==; X-IronPort-AV: E=McAfee;i="6600,9927,10798"; a="437946042" X-IronPort-AV: E=Sophos;i="6.01,164,1684825200"; d="scan'208";a="437946042" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Aug 2023 23:27:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10798"; a="767561748" X-IronPort-AV: E=Sophos;i="6.01,164,1684825200"; d="scan'208";a="767561748" Received: from yhuang6-desk2.sh.intel.com (HELO yhuang6-desk2.ccr.corp.intel.com) ([10.238.208.55]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Aug 2023 23:27:55 -0700 From: "Huang, Ying" To: Bharata B Rao Cc: Andrew Morton , Alistair Popple , , , , , , "Aneesh Kumar K . V" , Wei Xu , Dan Williams , Dave Hansen , "Davidlohr Bueso" , Johannes Weiner , "Jonathan Cameron" , Michal Hocko , Yang Shi , Rafael J Wysocki Subject: Re: [PATCH RESEND 0/4] memory tiering: calculate abstract distance based on ACPI HMAT References: <20230721012932.190742-1-ying.huang@intel.com> <875y6dj3ok.fsf@nvdebian.thelocal> <20230724105818.6f7b10fc8c318ea5aae9e188@linux-foundation.org> <6c8ed42d-ea71-c11e-2689-c4fc23845ccf@amd.com> Date: Fri, 11 Aug 2023 14:26:17 +0800 In-Reply-To: <6c8ed42d-ea71-c11e-2689-c4fc23845ccf@amd.com> (Bharata B. Rao's message of "Tue, 1 Aug 2023 08:05:00 +0530") Message-ID: <87il9mccxi.fsf@yhuang6-desk2.ccr.corp.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=ascii Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Rao, Bharata B Rao writes: > On 24-Jul-23 11:28 PM, Andrew Morton wrote: >> On Fri, 21 Jul 2023 14:15:31 +1000 Alistair Popple wrote: >> >>> Thanks for this Huang, I had been hoping to take a look at it this week >>> but have run out of time. I'm keen to do some testing with it as well. >> >> Thanks. I'll queue this in mm-unstable for some testing. Detailed >> review and testing would be appreciated. > > I gave this series a try on a 2P system with 2 CXL cards. I don't trust the > bandwidth and latency numbers reported by HMAT here, but FWIW, this patchset > puts the CXL nodes on a lower tier than DRAM nodes. Thank you very much! Can I add your "Tested-by" for the series? -- Best Regards, Huang, Ying