linux-kernel - Re: [PATCH v3 6/7] mm: demotion: expose per-node demotion targets via sysfs

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Message-ID: <202204231602.2DeA4BIa-lkp@intel.com>
Date:   Sat, 23 Apr 2022 16:38:52 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jagdish Gediya <jvgediya@...ux.ibm.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Cc:     kbuild-all@...ts.01.org, baolin.wang@...ux.alibaba.com,
        dave.hansen@...ux.intel.com, ying.huang@...el.com,
        aneesh.kumar@...ux.ibm.com, shy828301@...il.com,
        weixugc@...gle.com, gthelen@...gle.com, dan.j.williams@...el.com,
        Jagdish Gediya <jvgediya@...ux.ibm.com>
Subject: Re: [PATCH v3 6/7] mm: demotion: expose per-node demotion targets
 via sysfs

Hi Jagdish,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on driver-core/driver-core-testing]
[also build test ERROR on linus/master linux/master v5.18-rc3]
[cannot apply to hnaz-mm/master next-20220422]
[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/Jagdish-Gediya/mm-demotion-Introduce-new-node-state-N_DEMOTION_TARGETS/20220423-035714
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git 4e224719f5d9b92abf1e0edfb2a83053208f3026
config: sparc-randconfig-r034-20220422 (https://download.01.org/0day-ci/archive/20220423/202204231602.2DeA4BIa-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 11.2.0
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/intel-lab-lkp/linux/commit/0717e30f61ac83bd6ec65395bf46fdb5131cb83f
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Jagdish-Gediya/mm-demotion-Introduce-new-node-state-N_DEMOTION_TARGETS/20220423-035714
        git checkout 0717e30f61ac83bd6ec65395bf46fdb5131cb83f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/base/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   drivers/base/node.c: In function 'demotion_targets_show':
>> drivers/base/node.c:567:39: error: implicit declaration of function 'node_get_demotion_targets' [-Werror=implicit-function-declaration]
     567 |         nodemask_t demotion_targets = node_get_demotion_targets(dev->id);
         |                                       ^~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/base/node.c:567:39: error: invalid initializer
   cc1: some warnings being treated as errors


vim +/node_get_demotion_targets +567 drivers/base/node.c

   563	
   564	static ssize_t demotion_targets_show(struct device *dev,
   565					     struct device_attribute *attr, char *buf)
   566	{
 > 567		nodemask_t demotion_targets = node_get_demotion_targets(dev->id);
   568	
   569		return sysfs_emit(buf, "%*pbl\n", nodemask_pr_args(&demotion_targets));
   570	}
   571	static DEVICE_ATTR_RO(demotion_targets);
   572	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp