Re: [PATCH v3] mm: add thp_utilization metrics to /proc/thp_utilization

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Hi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.19]
[cannot apply to akpm-mm/mm-everything next-20220805]
[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/mm-add-thp_utilization-metrics-to-proc-thp_utilization/20220806-024150
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9e2f40233670c70c25e0681cb66d50d1e2742829
config: i386-randconfig-a002 (https://download.01.org/0day-ci/archive/20220807/202208071415.Aav6LUtf-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 5f1c7e2cc5a3c07cbc2412e851a7283c1841f520)
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/c3896ed4c7d2319ac0880860a6bfc98e6eed3d66
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review alexlzhu-fb-com/mm-add-thp_utilization-metrics-to-proc-thp_utilization/20220806-024150
        git checkout c3896ed4c7d2319ac0880860a6bfc98e6eed3d66
        # 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=i386 SHELL=/bin/bash

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

All warnings (new ones prefixed by >>):

>> mm/huge_memory.c:601:6: warning: no previous prototype for function 'is_anon_transparent_hugepage' [-Wmissing-prototypes]
   bool is_anon_transparent_hugepage(struct page *page)
        ^
   mm/huge_memory.c:601:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   bool is_anon_transparent_hugepage(struct page *page)
   ^
   static 
   mm/huge_memory.c:3300:22: warning: variable 'head' set but not used [-Wunused-but-set-variable]
           struct page *page, *head = NULL;
                               ^
   2 warnings generated.


vim +/is_anon_transparent_hugepage +601 mm/huge_memory.c

   600	
 > 601	bool is_anon_transparent_hugepage(struct page *page)
   602	{
   603		return PageAnon(page) && is_transparent_hugepage(page);
   604	}
   605	EXPORT_SYMBOL_GPL(is_anon_transparent_hugepage);
   606	

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




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