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 4CEE1C05027 for ; Sun, 19 Feb 2023 10:36:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 4009D6B0072; Sun, 19 Feb 2023 05:36:42 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 3B1D26B0073; Sun, 19 Feb 2023 05:36:42 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 277AC6B0074; Sun, 19 Feb 2023 05:36:42 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 186416B0072 for ; Sun, 19 Feb 2023 05:36:42 -0500 (EST) Received: from smtpin20.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id DEF5112159F for ; Sun, 19 Feb 2023 10:36:41 +0000 (UTC) X-FDA: 80483687802.20.A27547B Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by imf23.hostedemail.com (Postfix) with ESMTP id 395EF140003 for ; Sun, 19 Feb 2023 10:36:39 +0000 (UTC) Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=VzGx4dBd; spf=pass (imf23.hostedemail.com: domain of lkp@intel.com designates 192.55.52.93 as permitted sender) smtp.mailfrom=lkp@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1676803000; 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:in-reply-to:references:references:dkim-signature; bh=4l8jCTcEUCk9ma7czXDxA1PwFVTkHWntwpjQUjPdZ3M=; b=YGbJCUpFJRAISNZpjLVm7KiC7mtrhMJQ3QvsFdvMSxMzBZRVu+c6skHYH6eoQVUQK9hF44 mGra59/gwFcizmgJU6jO/DkziTULzfN7nFlAr1T6JMNWh2XkCFaVLPR6L6CWU273mU2c/4 68yYtevYldyvc/6g7jQXXhTmW01Gcz8= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=VzGx4dBd; spf=pass (imf23.hostedemail.com: domain of lkp@intel.com designates 192.55.52.93 as permitted sender) smtp.mailfrom=lkp@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1676803000; a=rsa-sha256; cv=none; b=s4//skxRd8EVjCJZenQC77NbuJxMwZyEG3CwtBo8h+Wk26oexWOfNr9dk0uH1XbByjci8m y8A+CKeEBMTRMemRie82QNkXJMP14vbuZpxy7BQzV8Af2uDiHKGuPvCHPIQK5oj4PCFyW+ 8LrMi40uQJh2M4PxOCaHNEK2lnzAB28= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1676802999; x=1708338999; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=qbLHLtD/0bNS3M8cyuH2XfUlQG96Y4U83b1gNrTeMic=; b=VzGx4dBd/nBc2wEnkEHWYg/Eq9oEOABQQYD0mbzt0xeFKN70SKfM0P3I 1WQFdZZHs170MwuR+lR9SrZ9Afdli/1C8cMm4vSQtokFadf2SiWYRoIsD qi20YpF8MEfBKmN83oGxVmuVOrCAAkBWg522nwkVcv2fOrphgx/8tRmdk SYwxUgf3JbZNGTcOZVgIxZ8TL89a9lSP496nzR+ih5OG2R0TEtQpcU9r4 QwKmvFBGp7Eg5aKkLrFqmnDhHEhJV64mpg4TA1LmB9p15i3TpHtBUPRxP mQkw1qd3MaBeyf/vVqeZkAbxIsKFvsVT86t0S8yC7EkeXIP+mnu1QxIgK w==; X-IronPort-AV: E=McAfee;i="6500,9779,10625"; a="329954718" X-IronPort-AV: E=Sophos;i="5.97,310,1669104000"; d="scan'208";a="329954718" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2023 02:36:37 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10625"; a="794888526" X-IronPort-AV: E=Sophos;i="5.97,310,1669104000"; d="scan'208";a="794888526" Received: from lkp-server01.sh.intel.com (HELO 4455601a8d94) ([10.239.97.150]) by orsmga004.jf.intel.com with ESMTP; 19 Feb 2023 02:36:34 -0800 Received: from kbuild by 4455601a8d94 with local (Exim 4.96) (envelope-from ) id 1pTh3Z-000DFN-2U; Sun, 19 Feb 2023 10:36:33 +0000 Date: Sun, 19 Feb 2023 18:36:00 +0800 From: kernel test robot To: Nhat Pham , akpm@linux-foundation.org Cc: oe-kbuild-all@lists.linux.dev, hannes@cmpxchg.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, bfoster@redhat.com, willy@infradead.org, arnd@arndb.de, linux-api@vger.kernel.org, kernel-team@meta.com Subject: Re: [PATCH v10 2/3] cachestat: implement cachestat syscall Message-ID: <202302191804.5m2GB1PU-lkp@intel.com> References: <20230219073318.366189-3-nphamcs@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230219073318.366189-3-nphamcs@gmail.com> X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 395EF140003 X-Rspam-User: X-Stat-Signature: y3es4xby5zxf9c1r98s3w7p1njq951u6 X-HE-Tag: 1676802999-764814 X-HE-Meta: U2FsdGVkX1+sPMag51m0JCWNcc2peeL4pZ0ALd3pmM+tKNTT8oBQm5rN/KQm3pWyp6e1yPb4CVXiHNZ4Ofn06Rb3AN9CGTZBdzYvvoNQao8rj6N8YmYCIndzeI9JPW48bGtBC1FpEpa/50W/1ikrYJifzrcpyHqJTiAOH56Sf+5NbfHESYpGfTlAtRywtcZjwkVgr7ZIvLbMHEvpS8FP/R6VhGdG4Uoq5s0MgjMpppAbpqYGKUBVQNT9hZ0OoZ9Vubyyw4TTzko6Z01cCm8WfsReM25JSKB/fV/52DcAuVnxK6vLChmmuvCd+uWXOfovv7vzta9JfX/RzDOfzv6+Mji+sa1aB11VJoPSwsbTm2Gw8xNJcf+yBmuooPUXlSqGaEoiHgBwabtLCtJs6nvqV6CmF1ozqTdM+KHFPEwAxH0n3GDIpE+tFnbM5pRIFMYJPkQ9aEUQK5hys3BEIJIM6k9TUOi2mQZh/9gH3zsT66Ci6i6jUfFcVTUiFzAbHOaYbDrMr7sl5JHObAYrMX3lK/raNGABMj9N1DaNjp4p3cUOJvSqXEXy/yjEGeRUXLGeWwYkujELGBLYQrwkhGzjT7mgzO+o40dnlwiCCVmrRgGZ8n9D30QFDndAEPvnwUKD1y3ntG4iVdHg3wQ1meEH66I5LGs7oztEwzDxWxnCz/EpYk/X4eTEpxFXusyH9DDYKgJkMHK0NQLuffGnldPVpPFsx6l3G6nvPcWGAz7shFhs1UI4C8Kh6dgSRDd3723QNIgZaUMQZVryXVRfkdCUyrKG+CSTMGM8aUTKpIbHlubqgTA/XNH3a6E6qU8DNOHZlsZUpP5MAQvC6PQosThIlAJWG6qnVdas9+XErwKVeMFLEykV4rNjA3nocgpuoP2gSVsTewgF808+zpinLCvUrEH8xGWm27OnoqzJKVN9qVFeKA/DUzDH6+79Huv+c2x7aentER8eVdi07F66hX4 6jlfuaHp OWO4NZLtPk/4OoadhX9iycBIm0OqD4es1odsdi+LC5H613TWu8JjX2ZI111Hyc4u1LQZpBo9RsPQZdFXxH6Xh/6SSDz7AosXmlgs3uv7eR3d6YQ73mcZxq0wPcF/LUrQlOz9nd3o+AkYFxQ4vuotzMMkn4zf6MNoHXrLAFQh1MRict/OsnJMogV6OBuW68qzSKPDlcbjDSwZKS5WpwzZ8Mc8ow9i2LUesPkrgrB1J2Fqw7AJ/UH7IjJ1U/7LBh5Z+oTa7Elnvq9f8Yxdz6hZ+QB+FauZKQ8ZJ6gQMiltFSXXp/5R1p6GcxW86qlUZFFRpZQYteHXKVkJL0+fQ9XGrxtNblA== 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: Hi Nhat, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on 1440f576022887004f719883acb094e7e0dd4944] url: https://github.com/intel-lab-lkp/linux/commits/Nhat-Pham/workingset-refactor-LRU-refault-to-expose-refault-recency-check/20230219-153500 base: 1440f576022887004f719883acb094e7e0dd4944 patch link: https://lore.kernel.org/r/20230219073318.366189-3-nphamcs%40gmail.com patch subject: [PATCH v10 2/3] cachestat: implement cachestat syscall config: i386-randconfig-a001 (https://download.01.org/0day-ci/archive/20230219/202302191804.5m2GB1PU-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/d691a3b4a696ab20c9c5fe86c624e9e36814523c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Nhat-Pham/workingset-refactor-LRU-refault-to-expose-refault-recency-check/20230219-153500 git checkout d691a3b4a696ab20c9c5fe86c624e9e36814523c # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 olddefconfig 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 | Link: https://lore.kernel.org/oe-kbuild-all/202302191804.5m2GB1PU-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/filemap.c:4035:6: warning: no previous prototype for 'ksys_cachestat' [-Wmissing-prototypes] 4035 | long ksys_cachestat(unsigned int fd, size_t len, loff_t off, | ^~~~~~~~~~~~~~ vim +/ksys_cachestat +4035 mm/filemap.c 4033 4034 #ifdef CONFIG_CACHESTAT_SYSCALL > 4035 long ksys_cachestat(unsigned int fd, size_t len, loff_t off, 4036 struct cachestat __user *cstat, unsigned int flags) 4037 { 4038 struct fd f = fdget(fd); 4039 struct address_space *mapping; 4040 struct cachestat cs; 4041 pgoff_t first_index = off >> PAGE_SHIFT; 4042 pgoff_t last_index = 4043 len == 0 ? ULONG_MAX : (off + len - 1) >> PAGE_SHIFT; 4044 4045 if (!f.file) 4046 return -EBADF; 4047 4048 if (off < 0 || flags != 0) { 4049 fdput(f); 4050 return -EINVAL; 4051 } 4052 4053 memset(&cs, 0, sizeof(struct cachestat)); 4054 mapping = f.file->f_mapping; 4055 filemap_cachestat(mapping, first_index, last_index, &cs); 4056 fdput(f); 4057 4058 if (copy_to_user(cstat, &cs, sizeof(struct cachestat))) 4059 return -EFAULT; 4060 4061 return 0; 4062 } 4063 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests