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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 245DBCD1288 for ; Sun, 31 Mar 2024 10:23:34 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 692C56B0083; Sun, 31 Mar 2024 06:23:33 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 641B26B0085; Sun, 31 Mar 2024 06:23:33 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 531836B0087; Sun, 31 Mar 2024 06:23:33 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 3BA226B0083 for ; Sun, 31 Mar 2024 06:23:33 -0400 (EDT) Received: from smtpin05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id BA769C08B2 for ; Sun, 31 Mar 2024 10:23:32 +0000 (UTC) X-FDA: 81956947464.05.38D1B4C Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by imf06.hostedemail.com (Postfix) with ESMTP id A6A45180012 for ; Sun, 31 Mar 2024 10:23:28 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=RkwEDez1; dmarc=pass (policy=none) header.from=intel.com; spf=pass (imf06.hostedemail.com: domain of lkp@intel.com designates 192.198.163.18 as permitted sender) smtp.mailfrom=lkp@intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1711880609; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding:in-reply-to: references:dkim-signature; bh=eWg6nyizfdXXbcR5Ijt5w2BLOE4/zWwhHsmnoB6w7eo=; b=Xzpc116AYv1HbWVgZjfqyQjEwREtBhNvbIROnlKEPBJ0GxJs/9WPRA6ycjC1ChoADndIov lT6T++r4Cfq6lG9s1mx10PKE7VO3WPcmPRHK5M1ss6BQH9Amu/FRw18cxu5JewpNTpNpiZ 9O132/dACGu98Pht1FQvcflCtl304bU= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=RkwEDez1; dmarc=pass (policy=none) header.from=intel.com; spf=pass (imf06.hostedemail.com: domain of lkp@intel.com designates 192.198.163.18 as permitted sender) smtp.mailfrom=lkp@intel.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1711880609; a=rsa-sha256; cv=none; b=tvcKj6FdG462gLUrD1yp8JNPE6jrIToRfxP5HiSgNb6Bxok6bU+VFctb1AW8Mu/3IgqHd9 H1hUEyOIjmWAjswWQ7ER4iTuppWi+NcThAEPwF4aFVyTndQ8QDI8GyfjNm+9MLsOEdF8KV 6Me1fsC5ZqqYO5YNZzI21zKcD6nMhbc= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1711880609; x=1743416609; h=date:from:to:cc:subject:message-id:mime-version; bh=KaoJaQbxbOhgGC7wr9sI/ilxxZwj8c14MIAubXqSUic=; b=RkwEDez1A3dQJsZqg2H0kLhwU5ovpmqDI++gO23EDHh6ZAZus0xstrOR u1bhxvvrmujZNEBuVRb/f6k/D3zmZHu0Xd5kN6X1BMBkIbPYKo5bNyvBV 7zL0pNstclkMmWUDE4NbLbIpb7YxJMVMyD5uAWjLVzSL/aP/QnyHctHm2 UV7RIxp72bV72G0yNl5actyKwt3y8VXPYhGoVKGoY9/DBWlOeNr/yXX6E jeLWBASkrf4tg6xQ05cFAf3Aj/8UavZK0XThjexcP4drGNr+NtAKjy99o qCJkNgaHr5AL1N+sce2R41JdW2EW3zIPm4SF78w/aTuI9EbIRmGCu5hTz g==; X-CSE-ConnectionGUID: Q2eMSUM3TsypRCG42VKxUA== X-CSE-MsgGUID: d+vxXF0ZQTG/5FhYxyRCWQ== X-IronPort-AV: E=McAfee;i="6600,9927,11029"; a="6853119" X-IronPort-AV: E=Sophos;i="6.07,169,1708416000"; d="scan'208";a="6853119" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Mar 2024 03:23:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,169,1708416000"; d="scan'208";a="48633543" Received: from lkp-server01.sh.intel.com (HELO 3d808bfd2502) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 31 Mar 2024 03:23:23 -0700 Received: from kbuild by 3d808bfd2502 with local (Exim 4.96) (envelope-from ) id 1rqsLQ-00011R-1y; Sun, 31 Mar 2024 10:23:20 +0000 Date: Sun, 31 Mar 2024 18:23:11 +0800 From: kernel test robot To: "Ho-Ren (Jack) Chuang" Cc: oe-kbuild-all@lists.linux.dev, Andrew Morton , Linux Memory Management List , Hao Xiang , "Huang, Ying" Subject: [akpm-mm:mm-unstable 263/270] mm/memory-tiers.c:769:13: warning: variable 'rc' set but not used Message-ID: <202403311826.SNOu8jAt-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: A6A45180012 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: i66j7hqgde6shwseph4ron67ejiyy1zx X-HE-Tag: 1711880608-461097 X-HE-Meta: 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 jB4X2O7l BUwxeent67CDT58j0IYHp6zA1ukPPlfaKXgXq2H3byN3RMEGwL5BV1k3+hMQDsidKHFQVtgAq3lFpO33Zb3s6yYr0gRJY98xc9YKe1P5CEDZIQId0AZfUntRmjsUO+WtrvzFmQTPIrIioGQQMeQJauoABtcr5xkQAbTz3D4YjmDVZy95Epg6wty2d9ShFYgScynsb9pP7TZqRU+cY+bjKN/5Epd16bdDsjRf5iibbmxCZOvmKI1RsxPjE/8beKm/Rb9CJMIaXT5WDwdBuKC029ULhBj+nPF+QuDO3YGQg+EwdQtQ= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: 0cef2c0a2a356137b170c3cb46cb9c1dd2ca3e6b commit: fbc8b54896eef0b4d9aaa793523867c7eb86e788 [263/270] memory tier: create CPUless memory tiers after obtaining HMAT info config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20240331/202403311826.SNOu8jAt-lkp@intel.com/config) compiler: gcc-11 (Ubuntu 11.4.0-4ubuntu1) 11.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240331/202403311826.SNOu8jAt-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202403311826.SNOu8jAt-lkp@intel.com/ All warnings (new ones prefixed by >>): mm/memory-tiers.c: In function 'mt_perf_to_adistance': >> mm/memory-tiers.c:769:13: warning: variable 'rc' set but not used [-Wunused-but-set-variable] 769 | int rc = 0; | ^~ vim +/rc +769 mm/memory-tiers.c 766 767 int mt_perf_to_adistance(struct access_coordinate *perf, int *adist) 768 { > 769 int rc = 0; 770 771 mutex_lock(&default_dram_perf_lock); 772 if (default_dram_perf_error) { 773 rc = -EIO; 774 goto out; 775 } 776 777 if (perf->read_latency + perf->write_latency == 0 || 778 perf->read_bandwidth + perf->write_bandwidth == 0) { 779 rc = -EINVAL; 780 goto out; 781 } 782 783 if (default_dram_perf_ref_nid == NUMA_NO_NODE) { 784 rc = -ENOENT; 785 goto out; 786 } 787 /* 788 * The abstract distance of a memory node is in direct proportion to 789 * its memory latency (read + write) and inversely proportional to its 790 * memory bandwidth (read + write). The abstract distance, memory 791 * latency, and memory bandwidth of the default DRAM nodes are used as 792 * the base. 793 */ 794 *adist = MEMTIER_ADISTANCE_DRAM * 795 (perf->read_latency + perf->write_latency) / 796 (default_dram_perf.read_latency + default_dram_perf.write_latency) * 797 (default_dram_perf.read_bandwidth + default_dram_perf.write_bandwidth) / 798 (perf->read_bandwidth + perf->write_bandwidth); 799 800 out: 801 mutex_unlock(&default_dram_perf_lock); 802 return 0; 803 } 804 EXPORT_SYMBOL_GPL(mt_perf_to_adistance); 805 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki