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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CD9EDC433EF for ; Fri, 17 Jun 2022 17:29:13 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4LPmHX26TWz3cf2 for ; Sat, 18 Jun 2022 03:29:12 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=L5fM3iAs; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=intel.com (client-ip=192.55.52.120; helo=mga04.intel.com; envelope-from=lkp@intel.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=L5fM3iAs; dkim-atps=neutral Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4LPmGq1J6Nz30LC for ; Sat, 18 Jun 2022 03:28:33 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1655486915; x=1687022915; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=5r0rapPYszeZBBEbJ/ZlpHIsTYM/ozOqcBVhPIANdrM=; b=L5fM3iAsTFlhVd0y0dYAGdyJNOCl6VsgXLCY7CgriNZm8YmCn8RuZUjD GE7jVxj0Pw+kGGd6Ij2yrojt3goVxshMJHeFK9VdwrMEnswE+zAert7sh u7odKHecAB7D9W6YTXFTZoFsqwsw1hvbE+ZpwIkeof8medymwBncCGHmx f9UYEwJFDYoJLS0nln8k2NkuaOQK/vfnWViz0UFD6Wf3wa9Sr6W9Obiqk w9EqCaMFxnp08pgqEMGSAyzLCj3Ld9rXu4ACjlghRkzbP6lrjgMu65Cbt 7be9ox9bBA4jUmTEZDPFhCkbA/+AxPvBMhr9rCe57lLTX4Eqggr/js8lA A==; X-IronPort-AV: E=McAfee;i="6400,9594,10380"; a="278306101" X-IronPort-AV: E=Sophos;i="5.92,306,1650956400"; d="scan'208";a="278306101" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jun 2022 10:06:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,306,1650956400"; d="scan'208";a="560563793" Received: from lkp-server01.sh.intel.com (HELO 60dabacc1df6) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 17 Jun 2022 10:06:50 -0700 Received: from kbuild by 60dabacc1df6 with local (Exim 4.95) (envelope-from ) id 1o2FQn-000Pcp-M0; Fri, 17 Jun 2022 17:06:49 +0000 Date: Sat, 18 Jun 2022 01:06:42 +0800 From: kernel test robot To: Mike Kravetz , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH 1/4] hugetlb: skip to end of PT page mapping when pte not present Message-ID: <202206180021.rcc4B1by-lkp@intel.com> References: <20220616210518.125287-2-mike.kravetz@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220616210518.125287-2-mike.kravetz@oracle.com> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mina Almasry , Michal Hocko , kbuild-all@lists.01.org, will@kernel.org, Anshuman Khandual , catalin.marinas@arm.com, Paul Walmsley , Peter Xu , Linux Memory Management List , James Houghton , "Aneesh Kumar K . V" , Baolin Wang , Muchun Song , Andrew Morton , Christian Borntraeger , Naoya Horiguchi , Mike Kravetz Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Hi Mike, I love your patch! Yet something to improve: [auto build test ERROR on soc/for-next] [also build test ERROR on linus/master v5.19-rc2 next-20220617] [cannot apply to arm64/for-next/core arm/for-next kvmarm/next xilinx-xlnx/master] [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] url: https://github.com/intel-lab-lkp/linux/commits/Mike-Kravetz/hugetlb-speed-up-linear-address-scanning/20220617-050726 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next config: i386-debian-10.3 (https://download.01.org/0day-ci/archive/20220618/202206180021.rcc4B1by-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/4c647687607f10fece04967b8180c0dadaf765e6 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Mike-Kravetz/hugetlb-speed-up-linear-address-scanning/20220617-050726 git checkout 4c647687607f10fece04967b8180c0dadaf765e6 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): mm/hugetlb.c: In function 'hugetlb_mask_last_page': >> mm/hugetlb.c:6901:9: error: duplicate case value 6901 | case PUD_SIZE: | ^~~~ mm/hugetlb.c:6899:9: note: previously used here 6899 | case P4D_SIZE: | ^~~~ vim +6901 mm/hugetlb.c 6886 6887 /* 6888 * Return a mask that can be used to update an address to the last huge 6889 * page in a page table page mapping size. Used to skip non-present 6890 * page table entries when linearly scanning address ranges. Architectures 6891 * with unique huge page to page table relationships can define their own 6892 * version of this routine. 6893 */ 6894 unsigned long hugetlb_mask_last_page(struct hstate *h) 6895 { 6896 unsigned long hp_size = huge_page_size(h); 6897 6898 switch (hp_size) { 6899 case P4D_SIZE: 6900 return PGDIR_SIZE - P4D_SIZE; > 6901 case PUD_SIZE: 6902 return P4D_SIZE - PUD_SIZE; 6903 case PMD_SIZE: 6904 return PUD_SIZE - PMD_SIZE; 6905 default: 6906 break; /* Should never happen */ 6907 } 6908 6909 return ~(0UL); 6910 } 6911 -- 0-DAY CI Kernel Test Service https://01.org/lkp