Re: [RFC 1/2] drm: Add fdinfo memory stats

[kernel test robot <lkp@intel.com>]

Hi Rob,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-misc/drm-misc-next]
[also build test WARNING on drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.3-rc5 next-20230406]
[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/Rob-Clark/drm-Add-fdinfo-memory-stats/20230407-060118
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20230406215917.1475704-2-robdclark%40gmail.com
patch subject: [RFC 1/2] drm: Add fdinfo memory stats
config: i386-randconfig-a002-20230403 (https://download.01.org/0day-ci/archive/20230407/202304071241.sHlGa8UH-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/eebbb3ec0a196240e1084554563ac4ae7e85dbb3
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Rob-Clark/drm-Add-fdinfo-memory-stats/20230407-060118
        git checkout eebbb3ec0a196240e1084554563ac4ae7e85dbb3
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304071241.sHlGa8UH-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/drm_file.c:883:39: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat]
           drm_printf(p, "%s:\t%lu %s\n", stat, sz, units[u]);
                               ~~~              ^~
                               %zu
   1 warning generated.


vim +883 drivers/gpu/drm/drm_file.c

   871	
   872	static void print_size(struct drm_printer *p, const char *stat, size_t sz)
   873	{
   874		const char *units[] = {"B", "KiB", "MiB", "GiB"};
   875		unsigned u;
   876	
   877		for (u = 0; u < ARRAY_SIZE(units) - 1; u++) {
   878			if (sz < SZ_1K)
   879				break;
   880			sz /= SZ_1K;
   881		}
   882	
 > 883		drm_printf(p, "%s:\t%lu %s\n", stat, sz, units[u]);
   884	}
   885	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests