Hi Christophe, I love your patch! Perhaps something to improve: [auto build test WARNING on mcgrof/modules-next] [also build test WARNING on powerpc/next linus/master jeyu/modules-next v5.17-rc1 next-20220124] [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/Christophe-Leroy/Allocate-module... base: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git modules-next config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20220124/202201242036.OjeEPlOb-lk...) compiler: powerpc-linux-gcc (GCC) 11.2.0 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/2a5f7a254dd5c1efcfb852f5747632c85... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Christophe-Leroy/Allocate-module-text-and-data-separately/20220124-172517 git checkout 2a5f7a254dd5c1efcfb852f5747632c85582016d # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash kernel/debug/kdb/ 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 >>): kernel/debug/kdb/kdb_main.c: In function 'kdb_lsmod': 2027 | kdb_printf("/%8u 0x%px ", mod->data_layout.size); | ~^ | | | void * vim +2027 kernel/debug/kdb/kdb_main.c 5d5314d6795f3c1 Jason Wessel 2010-05-20 2006 5d5314d6795f3c1 Jason Wessel 2010-05-20 2007 #if defined(CONFIG_MODULES) 5d5314d6795f3c1 Jason Wessel 2010-05-20 2008 /* 5d5314d6795f3c1 Jason Wessel 2010-05-20 2009 * kdb_lsmod - This function implements the 'lsmod' command. Lists 5d5314d6795f3c1 Jason Wessel 2010-05-20 2010 * currently loaded kernel modules. 5d5314d6795f3c1 Jason Wessel 2010-05-20 2011 * Mostly taken from userland lsmod. 5d5314d6795f3c1 Jason Wessel 2010-05-20 2012 */ 5d5314d6795f3c1 Jason Wessel 2010-05-20 2013 static int kdb_lsmod(int argc, const char **argv) 5d5314d6795f3c1 Jason Wessel 2010-05-20 2014 { 5d5314d6795f3c1 Jason Wessel 2010-05-20 2015 struct module *mod; 5d5314d6795f3c1 Jason Wessel 2010-05-20 2016 5d5314d6795f3c1 Jason Wessel 2010-05-20 2017 if (argc != 0) 5d5314d6795f3c1 Jason Wessel 2010-05-20 2018 return KDB_ARGCOUNT; 5d5314d6795f3c1 Jason Wessel 2010-05-20 2019 5d5314d6795f3c1 Jason Wessel 2010-05-20 2020 kdb_printf("Module Size modstruct Used by\n"); 5d5314d6795f3c1 Jason Wessel 2010-05-20 2021 list_for_each_entry(mod, kdb_modules, list) { 0d21b0e3477395e Rusty Russell 2013-01-12 2022 if (mod->state == MODULE_STATE_UNFORMED) 0d21b0e3477395e Rusty Russell 2013-01-12 2023 continue; 5d5314d6795f3c1 Jason Wessel 2010-05-20 2024 299a20e0bead4b7 Christophe Leroy 2022-01-24 2025 kdb_printf("%-20s%8u", mod->name, mod->core_layout.size); 299a20e0bead4b7 Christophe Leroy 2022-01-24 2026 #ifdef CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC 299a20e0bead4b7 Christophe Leroy 2022-01-24 @2027 kdb_printf("/%8u 0x%px ", mod->data_layout.size); 299a20e0bead4b7 Christophe Leroy 2022-01-24 2028 #endif 299a20e0bead4b7 Christophe Leroy 2022-01-24 2029 kdb_printf(" 0x%px ", (void *)mod); 5d5314d6795f3c1 Jason Wessel 2010-05-20 2030 #ifdef CONFIG_MODULE_UNLOAD d5db139ab376464 Rusty Russell 2015-01-22 2031 kdb_printf("%4d ", module_refcount(mod)); 5d5314d6795f3c1 Jason Wessel 2010-05-20 2032 #endif 5d5314d6795f3c1 Jason Wessel 2010-05-20 2033 if (mod->state == MODULE_STATE_GOING) 5d5314d6795f3c1 Jason Wessel 2010-05-20 2034 kdb_printf(" (Unloading)"); 5d5314d6795f3c1 Jason Wessel 2010-05-20 2035 else if (mod->state == MODULE_STATE_COMING) 5d5314d6795f3c1 Jason Wessel 2010-05-20 2036 kdb_printf(" (Loading)"); 5d5314d6795f3c1 Jason Wessel 2010-05-20 2037 else 5d5314d6795f3c1 Jason Wessel 2010-05-20 2038 kdb_printf(" (Live)"); 568fb6f42ac6851 Christophe Leroy 2018-09-27 2039 kdb_printf(" 0x%px", mod->core_layout.base); 299a20e0bead4b7 Christophe Leroy 2022-01-24 2040 #ifdef CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC 299a20e0bead4b7 Christophe Leroy 2022-01-24 2041 kdb_printf("/0x%px", mod->data_layout.base); 299a20e0bead4b7 Christophe Leroy 2022-01-24 2042 #endif 5d5314d6795f3c1 Jason Wessel 2010-05-20 2043 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org