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Sat, 27 Nov 2021 12:15:55 +0000 (UTC) X-FDA: 78854606628.28.9D76610 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by imf10.hostedemail.com (Postfix) with ESMTP id 07430600198C for ; Sat, 27 Nov 2021 12:15:48 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10180"; a="222985637" X-IronPort-AV: E=Sophos;i="5.87,269,1631602800"; d="scan'208";a="222985637" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Nov 2021 04:15:51 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,269,1631602800"; d="scan'208";a="539497131" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by orsmga001.jf.intel.com with ESMTP; 27 Nov 2021 04:15:49 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1mqwcO-0009Tm-KQ; Sat, 27 Nov 2021 12:15:48 +0000 Date: Sat, 27 Nov 2021 20:15:29 +0800 From: kernel test robot To: Waiman Long Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Shakeel Butt , Andrew Morton , Linux Memory Management List Subject: mm/memcontrol.c:785:20: warning: unused function 'mod_objcg_mlstate' Message-ID: <202111272014.WOYNLUV6-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 07430600198C X-Stat-Signature: 88x4u56t66neddkpfjp6eq9ksjqc46jw Authentication-Results: imf10.hostedemail.com; dkim=none; dmarc=fail reason="No valid SPF, No valid DKIM" header.from=intel.com (policy=none); spf=none (imf10.hostedemail.com: domain of lkp@intel.com has no SPF policy when checking 134.134.136.20) smtp.mailfrom=lkp@intel.com X-HE-Tag: 1638015348-661924 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: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c5c17547b778975b3d83a73c8d84e8fb5ecf3ba5 commit: 68ac5b3c8db2fda00af594eca4100aceaf927c0e mm/memcg: cache vmstat data in percpu memcg_stock_pcp date: 5 months ago config: mips-randconfig-r022-20211122 (https://download.01.org/0day-ci/archive/20211127/202111272014.WOYNLUV6-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c133fb321f7ca6083ce15b6aa5bf89de6600e649) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=68ac5b3c8db2fda00af594eca4100aceaf927c0e git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 68ac5b3c8db2fda00af594eca4100aceaf927c0e # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> mm/memcontrol.c:785:20: warning: unused function 'mod_objcg_mlstate' static inline void mod_objcg_mlstate(struct obj_cgroup ^ mm/memcontrol.c:946:29: warning: unused function 'memcg_kmem_bypass' static __always_inline bool memcg_kmem_bypass(void) ^ fatal error: error in backend: Nested variants found in inline asm string: ' .set push .set mips64r2 .if ( 0x00 ) != -1)) 0x00 ) != -1)) : ($( static struct ftrace_branch_data __attribute__((__aligned__(4))) __attribute__((__section__("_ftrace_branch"))) __if_trace = $( .func = __func__, .file = "arch/mips/include/asm/atomic.h", .line = 153, $); 0x00 ) != -1)) : $))) ) && ( 0 ); .set push; .set mips64r2; .rept 1; sync 0x00; .endr; .set pop; .else; ; .endif 1: ll $0, $1 # atomic_add addu $0, $2 sc $0, $1 beqz $0, 1b .set pop ' clang-14: error: clang frontend command failed with exit code 70 (use -v to see invocation) clang version 14.0.0 (git://gitmirror/llvm_project 5162b558d8c0b542e752b037e72a69d5fd51eb1e) Target: mips-unknown-linux Thread model: posix InstalledDir: /opt/cross/clang-5162b558d8/bin clang-14: note: diagnostic msg: Makefile arch block certs crypto drivers fs include init ipc kernel lib mm net nr_bisected scripts security sound source usr virt vim +/mod_objcg_mlstate +785 mm/memcontrol.c 784 > 785 static inline void mod_objcg_mlstate(struct obj_cgroup *objcg, 786 struct pglist_data *pgdat, 787 enum node_stat_item idx, int nr) 788 { 789 struct mem_cgroup *memcg; 790 struct lruvec *lruvec; 791 792 rcu_read_lock(); 793 memcg = obj_cgroup_memcg(objcg); 794 lruvec = mem_cgroup_lruvec(memcg, pgdat); 795 __mod_memcg_lruvec_state(lruvec, idx, nr); 796 rcu_read_unlock(); 797 } 798 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org