From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="QDOsAyXQ" Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 867F3170A; Wed, 13 Dec 2023 03:33:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1702467237; x=1734003237; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=dL6Em6F9/TJ8e69UFYykBz6xgC2V73mBvEEwVDeutqU=; b=QDOsAyXQ5Xej77dKJp6uRLZZ4kqFCiXuTMkb6VT96UrH6Si8sMVRzovg gIPp6KADgdAcDNsepmRjx2fta57shXwW4VtJthCJ0o2bV7/k+mpDMvu2v llxHVJKJgt1PQoSq8mHH5y4WRc3j5IQbm0Awxqs23YuCuyqV5glqMAPOZ OBfRHuhRmlfoyYMoinXNTrcZMX78S663WBIm3yUh7suNcmTRPI1f9NktC Uc6M2dolekvYV40UCkYiqer8e1j31GBrgpTvxymM/5mEoc7mUkPHfXLbK jf5zlmlHTIJ4xoXWP9jwlwcKrvFRgwrl2V5KzwO4lxQDMu0S3+38YJyF1 Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10922"; a="394702323" X-IronPort-AV: E=Sophos;i="6.04,272,1695711600"; d="scan'208";a="394702323" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Dec 2023 03:33:10 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10922"; a="897302957" X-IronPort-AV: E=Sophos;i="6.04,272,1695711600"; d="scan'208";a="897302957" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by orsmga004.jf.intel.com with ESMTP; 13 Dec 2023 03:33:04 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rDNU5-000KUJ-2l; Wed, 13 Dec 2023 11:33:01 +0000 Date: Wed, 13 Dec 2023 19:32:49 +0800 From: kernel test robot To: Alexander Graf , linux-kernel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, linux-trace-kernel@vger.kernel.org, linux-mm@kvack.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kexec@lists.infradead.org, linux-doc@vger.kernel.org, x86@kernel.org, Eric Biederman , "H. Peter Anvin" , Andy Lutomirski , Rob Herring , Steven Rostedt , Andrew Morton , Mark Rutland , Tom Lendacky , Ashish Kalra , James Gowans , Stanislav Kinsburskii , arnd@arndb.de, pbonzini@redhat.com, madvenka@linux.microsoft.com, Anthony Yznaga , Usama Arif , David Woodhouse , Benjamin Herrenschmidt Subject: Re: [PATCH 02/15] memblock: Declare scratch memory as CMA Message-ID: <202312131930.gMiphjju-lkp@intel.com> References: <20231213000452.88295-3-graf@amazon.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231213000452.88295-3-graf@amazon.com> Hi Alexander, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/x86/core] [also build test WARNING on arm64/for-next/core akpm-mm/mm-everything linus/master v6.7-rc5 next-20231213] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Alexander-Graf/mm-memblock-Add-support-for-scratch-memory/20231213-080941 base: tip/x86/core patch link: https://lore.kernel.org/r/20231213000452.88295-3-graf%40amazon.com patch subject: [PATCH 02/15] memblock: Declare scratch memory as CMA config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20231213/202312131930.gMiphjju-lkp@intel.com/config) compiler: arc-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231213/202312131930.gMiphjju-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/202312131930.gMiphjju-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/memblock.c:2153:13: warning: 'reserve_scratch_mem' defined but not used [-Wunused-function] 2153 | static void reserve_scratch_mem(phys_addr_t start, phys_addr_t end) | ^~~~~~~~~~~~~~~~~~~ vim +/reserve_scratch_mem +2153 mm/memblock.c 2152 > 2153 static void reserve_scratch_mem(phys_addr_t start, phys_addr_t end) 2154 { 2155 #ifdef CONFIG_MEMBLOCK_SCRATCH 2156 ulong start_pfn = pageblock_start_pfn(PFN_DOWN(start)); 2157 ulong end_pfn = pageblock_align(PFN_UP(end)); 2158 ulong pfn; 2159 2160 for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) { 2161 /* Mark as CMA to prevent kernel allocations in it */ 2162 set_pageblock_migratetype(pfn_to_page(pfn), MIGRATE_CMA); 2163 } 2164 #endif 2165 } 2166 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki