Hi Christophe, kernel test robot noticed the following build warnings: [auto build test WARNING on powerpc/next] [also build test WARNING on powerpc/fixes shuah-kselftest/next shuah-kselftest/fixes linus/master v6.11-rc5 next-20240826] [cannot apply to crng-random/master] [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/Christophe-Leroy/asm-generic-unaligned-h-Extract-common-header-for-vDSO/20240826-103525 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next patch link: https://lore.kernel.org/r/315e3a268b165b6edad7dcb723b0d8a506a56c4e.1724309198.git.christophe.leroy%40csgroup.eu patch subject: [PATCH v2 07/17] mm: Define VM_DROPPABLE for powerpc/32 config: um-randconfig-r122-20240826 (https://download.01.org/0day-ci/archive/20240827/202408270553.2S5d14Ar-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240827/202408270553.2S5d14Ar-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/202408270553.2S5d14Ar-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) mm/debug_page_ref.c: note: in included file (through include/trace/events/page_ref.h): >> include/trace/events/mmflags.h:168:5: sparse: sparse: undefined preprocessor identifier 'VM_DROPPABLE' >> include/trace/events/mmflags.h:168:21: sparse: sparse: undefined preprocessor identifier 'VM_NONE' mm/debug_page_ref.c: note: in included file (through include/trace/events/page_ref.h, include/trace/define_trace.h, include/trace/events/page_ref.h): >> include/trace/events/mmflags.h:168:5: sparse: sparse: undefined preprocessor identifier 'VM_DROPPABLE' >> include/trace/events/mmflags.h:168:21: sparse: sparse: undefined preprocessor identifier 'VM_NONE' mm/debug_page_ref.c: note: in included file (through include/trace/events/page_ref.h, include/trace/trace_events.h, include/trace/define_trace.h, ...): include/trace/events/mmflags.h:169:10: sparse: sparse: preprocessor token IF_HAVE_VM_DROPPABLE redefined mm/debug_page_ref.c: note: in included file (through include/trace/events/page_ref.h): include/trace/events/mmflags.h:171:10: sparse: this was the original definition vim +/VM_DROPPABLE +168 include/trace/events/mmflags.h 167 > 168 #if VM_DROPPABLE != VM_NONE 169 # define IF_HAVE_VM_DROPPABLE(flag, name) {flag, name}, 170 #else 171 # define IF_HAVE_VM_DROPPABLE(flag, name) 172 #endif 173 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
