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Date:   Tue, 6 Sep 2022 20:43:01 +0800
From:   kernel test robot <lkp@intel.com>
To:     Muchun Song <songmuchun@bytedance.com>, gregkh@linuxfoundation.org,
        rafael@kernel.org, mike.kravetz@oracle.com,
        akpm@linux-foundation.org, osalvador@suse.de, david@redhat.com,
        ying.huang@intel.com, aneesh.kumar@linux.ibm.com,
        rientjes@google.com
Cc:     llvm@lists.linux.dev, kbuild-all@lists.01.org,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        muchun.song@linux.dev
Subject: Re: [PATCH v2] mm: hugetlb: eliminate memory-less nodes handling
Message-ID: <202209062036.1eQ3lYsX-lkp@intel.com>
References: <20220906034239.69436-1-songmuchun@bytedance.com>
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In-Reply-To: <20220906034239.69436-1-songmuchun@bytedance.com>
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Hi Muchun,

I love your patch! Perhaps something to improve:

[auto build test WARNING on next-20220901]
[cannot apply to akpm-mm/mm-everything driver-core/driver-core-testing linus/master v6.0-rc4 v6.0-rc3 v6.0-rc2 v6.0-rc4]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Muchun-Song/mm-hugetlb-eliminate-memory-less-nodes-handling/20220906-114538
base:    e47eb90a0a9ae20b82635b9b99a8d0979b757ad8
config: arm-randconfig-r023-20220906 (https://download.01.org/0day-ci/archive/20220906/202209062036.1eQ3lYsX-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project c55b41d5199d2394dd6cdb8f52180d8b81d809d4)
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 arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/intel-lab-lkp/linux/commit/ec1575c86ce4904a7134d2fef8e231ecd50ffc75
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Muchun-Song/mm-hugetlb-eliminate-memory-less-nodes-handling/20220906-114538
        git checkout ec1575c86ce4904a7134d2fef8e231ecd50ffc75
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from mm/folio-compat.c:7:
   In file included from include/linux/migrate.h:8:
>> include/linux/hugetlb.h:1150:49: warning: declaration of 'struct node' will not be visible outside of this function [-Wvisibility]
   static inline void hugetlb_register_node(struct node *node)
                                                   ^
   include/linux/hugetlb.h:1154:51: warning: declaration of 'struct node' will not be visible outside of this function [-Wvisibility]
   static inline void hugetlb_unregister_node(struct node *node)
                                                     ^
   2 warnings generated.


vim +1150 include/linux/hugetlb.h

  1149	
> 1150	static inline void hugetlb_register_node(struct node *node)
  1151	{
  1152	}
  1153	

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