Hi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.1-rc3]
[cannot apply to shuah-kselftest/next next-20221103]
[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/alexlzhu-fb-com/THP-Shrinker/20221103-140549
patch link:    https://lore.kernel.org/r/f4bd941ff7406ebad57ad7f47e7788ef12c6eb46.1667454613.git.alexlzhu%40fb.com
patch subject: [PATCH v6 5/5] mm: THP low utilization shrinker
config: s390-randconfig-r001-20221102
compiler: clang version 15.0.4 (https://github.com/llvm/llvm-project 5c68a1cb123161b54b72ce90e7975d95a8eaf2a4)
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 s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/f74fc6ce0f2b2de5c0e302f7c3a20774b117ea68
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review alexlzhu-fb-com/THP-Shrinker/20221103-140549
        git checkout f74fc6ce0f2b2de5c0e302f7c3a20774b117ea68
        # 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=s390 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 >>):

>> mm/huge_memory.c:2970:1: warning: unused label 'out_unlock' [-Wunused-label]
   out_unlock:
   ^~~~~~~~~~~
   1 warning generated.


vim +/out_unlock +2970 mm/huge_memory.c

  2967	
  2968		list_lru_add_page(&huge_low_util_page_lru, page, page_underutilized_thp_list(page));
  2969	
> 2970	out_unlock:
  2971		unlock_page(page);
  2972	out_put:
  2973		put_page(page);
  2974	}
  2975	

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