Hi Christoph, kernel test robot noticed the following build warnings: [auto build test WARNING on next-20250507] [cannot apply to akpm-mm/mm-everything konis-nilfs2/upstream linus/master v6.15-rc5 v6.15-rc4 v6.15-rc3 v6.15-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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Christoph-Hellwig/mm-stop-passing-a-writeback_control-structure-to-shmem_writeout/20250508-144804 base: next-20250507 patch link: https://lore.kernel.org/r/20250508054938.15894-3-hch%40lst.de patch subject: [PATCH 2/7] mm: stop passing a writeback_control structure to shmem_writeout config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20250508/202505082050.us12v40j-lkp@xxxxxxxxx/config) compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250508/202505082050.us12v40j-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202505082050.us12v40j-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> Warning: mm/shmem.c:1549 Excess function parameter 'wbc' description in 'shmem_writeout' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
