Hi "Thomas, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-tip/drm-tip] [also build test WARNING on next-20211216] [cannot apply to drm-exynos/exynos-drm-next drm/drm-next drm-intel/for-linux-next tegra-drm/drm/tegra/for-next airlied/drm-next v5.16-rc5] [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/0day-ci/linux/commits/Thomas-Hellstr-m/drm-i915-Asynch... base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: i386-randconfig-r021-20211216 (https://download.01.org/0day-ci/archive/20211217/202112172015.HCePn2cg-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 9043c3d65b11b442226015acfbf8167684586cfa) 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/0day-ci/linux/commit/45f1249183a30dea38defee195b33c7f6... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Thomas-Hellstr-m/drm-i915-Asynchronous-vma-unbinding/20211217-172108 git checkout 45f1249183a30dea38defee195b33c7f6753d9f9 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/i915/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): pr_err("vma resource size is %lu\n", sizeof(struct i915_vma_resource)); ~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ %u include/linux/printk.h:493:33: note: expanded from macro 'pr_err' printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:450:60: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:422:19: note: expanded from macro 'printk_index_wrap' _p_func(_fmt, ##__VA_ARGS__); \ ~~~~ ^~~~~~~~~~~ 1 warning generated. vim +379 drivers/gpu/drm/i915/i915_vma_resource.c 376 377 int __init i915_vma_resource_module_init(void) 378 { --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org