From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A7CA323DE for ; Wed, 16 Feb 2022 12:15:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1645013738; x=1676549738; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=V3WXst2UAa4+FudQeKgnaqEuNtLgDf+Kth3SHU50NJU=; b=jUZA11fnOUdrr1R8vxDzUA+PheIUMOj4Lzwd8gQQa0gHF0ZLN0CsD5Pd okofIuaMXWb8wfh/MTh1cGQoDXlzq3pIO96z5TXV8UuEyMNezyBJonZdW LkWcMny4gYbRvCwuKVGGjCfulXYvlU69osdiE5d+1ifIXZllozlrtKewg Ab43XsNSZScDSnd18N620UcLkT31UjMEGlir7Dd/y76eANa5hAP6S59cJ v5XZhOzeV5H5J/U8AbDT6ruogX5vi1vrDz1ZiteZxIyBhvuGIFjRrEvqn azceFg+xBz3Ivyyt9BgHU8ii2Dpkin3L4LMdtxecdsbAZxyAM7LuxgtC9 w==; X-IronPort-AV: E=McAfee;i="6200,9189,10259"; a="230552495" X-IronPort-AV: E=Sophos;i="5.88,373,1635231600"; d="scan'208";a="230552495" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Feb 2022 04:15:37 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,373,1635231600"; d="scan'208";a="588398004" Received: from lkp-server01.sh.intel.com (HELO d95dc2dabeb1) ([10.239.97.150]) by fmsmga008.fm.intel.com with ESMTP; 16 Feb 2022 04:15:36 -0800 Received: from kbuild by d95dc2dabeb1 with local (Exim 4.92) (envelope-from ) id 1nKJDb-000Amj-V0; Wed, 16 Feb 2022 12:15:35 +0000 Date: Wed, 16 Feb 2022 20:15:17 +0800 From: kernel test robot To: Xin Hao Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org Subject: Re: [RFC PATCH V1 3/5] mm/damon: Add 'damon_region' NUMA access statistics core implementation Message-ID: <202202162010.gxDXd2ex-lkp@intel.com> References: Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Hi Xin, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on linus/master] [also build test WARNING on v5.17-rc4] [cannot apply to hnaz-mm/master rostedt-trace/for-next next-20220216] [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/0day-ci/linux/commits/Xin-Hao/mm-damon-Add-NUMA-access-statistics-function-support/20220216-163243 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git c5d9ae265b105d9a67575fb67bd4650a6fc08e25 config: hexagon-randconfig-r045-20220216 (https://download.01.org/0day-ci/archive/20220216/202202162010.gxDXd2ex-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0e628a783b935c70c80815db6c061ec84f884af5) 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 # https://github.com/0day-ci/linux/commit/f84003da496b71b9f13c4de140de21d70a73a408 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Xin-Hao/mm-damon-Add-NUMA-access-statistics-function-support/20220216-163243 git checkout f84003da496b71b9f13c4de140de21d70a73a408 # 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=hexagon SHELL=/bin/bash mm/damon/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): mm/damon/core.c:1023:29: error: implicit declaration of function 'damon_get_task_struct' [-Werror,-Wimplicit-function-declaration] struct task_struct *ts = damon_get_task_struct(t); ^ mm/damon/core.c:1023:29: note: did you mean 'get_task_struct'? include/linux/sched/task.h:104:35: note: 'get_task_struct' declared here static inline struct task_struct *get_task_struct(struct task_struct *t) ^ >> mm/damon/core.c:1023:24: warning: incompatible integer to pointer conversion initializing 'struct task_struct *' with an expression of type 'int' [-Wint-conversion] struct task_struct *ts = damon_get_task_struct(t); ^ ~~~~~~~~~~~~~~~~~~~~~~~~ mm/damon/core.c:1058:6: error: redefinition of 'damon_numa_fault' void damon_numa_fault(int page_nid, int node_id, struct vm_fault *vmf) ^ include/linux/damon.h:525:20: note: previous definition is here static inline void damon_numa_fault(int page_nid, int node_id, struct vm_fault *vmf) { } ^ 1 warning and 2 errors generated. vim +1023 mm/damon/core.c 1009 1010 static struct damon_target *get_damon_target(struct task_struct *task) 1011 { 1012 int i; 1013 unsigned long id1, id2; 1014 struct damon_target *t; 1015 1016 rcu_read_lock(); 1017 for (i = 0; i < READ_ONCE(dbgfs_nr_ctxs); i++) { 1018 struct damon_ctx *ctx = rcu_dereference(dbgfs_ctxs[i]); 1019 1020 if (!ctx || !ctx->kdamond) 1021 continue; 1022 damon_for_each_target(t, dbgfs_ctxs[i]) { > 1023 struct task_struct *ts = damon_get_task_struct(t); 1024 1025 if (ts) { 1026 id1 = (unsigned long)pid_vnr((struct pid *)t->id); 1027 id2 = (unsigned long)pid_vnr(get_task_pid(task, PIDTYPE_PID)); 1028 put_task_struct(ts); 1029 if (id1 == id2) 1030 return t; 1031 } 1032 } 1033 } 1034 rcu_read_unlock(); 1035 1036 return NULL; 1037 } 1038 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org