Hi "Liam, I love your patch! Perhaps something to improve: [auto build test WARNING on efi/next] [cannot apply to tip/x86/core linus/master hnaz-linux-mm/master v5.10-rc7 next-20201210] [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/Liam-R-Howlett/RFC-mm-Introducing-the-Maple-Tree/20201211-011029 base: https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git next config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gcc (GCC) 9.3.0 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/e89ae5d0c814effeca4f7907d7dad47134561db2 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Liam-R-Howlett/RFC-mm-Introducing-the-Maple-Tree/20201211-011029 git checkout e89ae5d0c814effeca4f7907d7dad47134561db2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from include/linux/mm_types.h:11, from include/linux/mmzone.h:21, from include/linux/gfp.h:6, from include/linux/mm.h:10, from arch/sh/kernel/asm-offsets.c:14: include/linux/maple_tree.h:79:22: error: 'MAPLE_RANGE64_SLOTS' undeclared here (not in a function) 79 | unsigned long pivot[MAPLE_RANGE64_SLOTS - 1]; | ^~~~~~~~~~~~~~~~~~~ include/linux/maple_tree.h:85:22: error: 'MAPLE_ARANGE64_SLOTS' undeclared here (not in a function) 85 | unsigned long pivot[MAPLE_ARANGE64_SLOTS - 1]; | ^~~~~~~~~~~~~~~~~~~~ include/linux/maple_tree.h:91:28: error: 'MAPLE_NODE_SLOTS' undeclared here (not in a function); did you mean 'MAPLE_ALLOC_SLOTS'? 91 | #define MAPLE_ALLOC_SLOTS (MAPLE_NODE_SLOTS - 1) | ^~~~~~~~~~~~~~~~ include/linux/maple_tree.h:96:27: note: in expansion of macro 'MAPLE_ALLOC_SLOTS' 96 | struct maple_alloc *slot[MAPLE_ALLOC_SLOTS]; | ^~~~~~~~~~~~~~~~~ In file included from arch/sh/kernel/asm-offsets.c:14: >> include/linux/mm.h:2594:6: warning: no previous prototype for 'mm_populate_vma' [-Wmissing-prototypes] 2594 | void mm_populate_vma(struct vm_area_struct *vma, unsigned long start, | ^~~~~~~~~~~~~~~ make[2]: *** [scripts/Makefile.build:117: arch/sh/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1200: prepare0] Error 2 make[1]: Target 'modules_prepare' not remade because of errors. make: *** [Makefile:185: __sub-make] Error 2 make: Target 'modules_prepare' not remade because of errors. vim +/mm_populate_vma +2594 include/linux/mm.h 2581 2582 #ifdef CONFIG_MMU 2583 extern int __mm_populate(unsigned long addr, unsigned long len, 2584 int ignore_errors); 2585 static inline void mm_populate(unsigned long addr, unsigned long len) 2586 { 2587 /* Ignore errors */ 2588 (void) __mm_populate(addr, len, 1); 2589 } 2590 extern void mm_populate_vma(struct vm_area_struct *vma, unsigned long start, 2591 unsigned long end); 2592 #else 2593 static inline void mm_populate(unsigned long addr, unsigned long len) {} > 2594 void mm_populate_vma(struct vm_area_struct *vma, unsigned long start, 2595 unsigned long end) {} 2596 #endif 2597 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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