Hi Kassey, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v6.0-rc1 next-20220815] [cannot apply to akpm-mm/mm-everything] [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/Kassey-Li/mm-page_owner-c-add-llseek-for-page_owner/20220815-143155 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 568035b01cfb107af8d2e4bd2fb9aea22cf5b868 config: hexagon-randconfig-r041-20220814 (https://download.01.org/0day-ci/archive/20220815/202208152007.a6QeCOGK-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 6afcc4a459ead8809a0d6d9b4bf7b64bcc13582b) 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/f9ef28f8ab55cdd176ab5ce7ad606ca45b4dbcc0 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Kassey-Li/mm-page_owner-c-add-llseek-for-page_owner/20220815-143155 git checkout f9ef28f8ab55cdd176ab5ce7ad606ca45b4dbcc0 # 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=hexagon 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/page_owner.c:575:8: warning: no previous prototype for function 'lseek_page_owner' [-Wmissing-prototypes] loff_t lseek_page_owner(struct file *file, loff_t offset, int orig) ^ mm/page_owner.c:575:1: note: declare 'static' if the function is not intended to be used outside of this translation unit loff_t lseek_page_owner(struct file *file, loff_t offset, int orig) ^ static 1 warning generated. vim +/lseek_page_owner +575 mm/page_owner.c 574 > 575 loff_t lseek_page_owner(struct file *file, loff_t offset, int orig) 576 { 577 switch (orig) { 578 case SEEK_SET: 579 file->f_pos = offset; 580 break; 581 case SEEK_CUR: 582 file->f_pos += offset; 583 break; 584 default: 585 return -EINVAL; 586 } 587 return file->f_pos; 588 } 589 -- 0-DAY CI Kernel Test Service https://01.org/lkp
