Hi Oscar, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on next-20240912] [cannot apply to s390/features powerpc/next powerpc/fixes deller-parisc/for-next arnd-asm-generic/master linus/master v6.11-rc7] [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/Oscar-Salvador/mm-mmap-Teach-generic_get_unmapped_area-_topdown-to-handle-hugetlb-mappings/20240910-160312 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20240910080030.1272373-10-osalvador%40suse.de patch subject: [PATCH v3 9/9] mm: Consolidate common checks in hugetlb_get_unmapped_area config: loongarch-randconfig-002-20240913 (https://download.01.org/0day-ci/archive/20240913/202409131650.lUO7EoXP-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240913/202409131650.lUO7EoXP-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/202409131650.lUO7EoXP-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/linux/hugetlb.h:792, from include/linux/migrate.h:8, from fs/aio.c:40: arch/loongarch/include/asm/hugetlb.h: In function 'prepare_hugepage_range': >> arch/loongarch/include/asm/hugetlb.h:19:24: warning: unused variable 'h' [-Wunused-variable] 19 | struct hstate *h = hstate_file(file); | ^ vim +/h +19 arch/loongarch/include/asm/hugetlb.h 09cfefb7fa70c3 Huacai Chen 2022-05-31 12 09cfefb7fa70c3 Huacai Chen 2022-05-31 13 #define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE 09cfefb7fa70c3 Huacai Chen 2022-05-31 14 static inline int prepare_hugepage_range(struct file *file, 09cfefb7fa70c3 Huacai Chen 2022-05-31 15 unsigned long addr, 09cfefb7fa70c3 Huacai Chen 2022-05-31 16 unsigned long len) 09cfefb7fa70c3 Huacai Chen 2022-05-31 17 { 09cfefb7fa70c3 Huacai Chen 2022-05-31 18 unsigned long task_size = STACK_TOP; 09cfefb7fa70c3 Huacai Chen 2022-05-31 @19 struct hstate *h = hstate_file(file); 09cfefb7fa70c3 Huacai Chen 2022-05-31 20 09cfefb7fa70c3 Huacai Chen 2022-05-31 21 if (len > task_size) 09cfefb7fa70c3 Huacai Chen 2022-05-31 22 return -ENOMEM; 09cfefb7fa70c3 Huacai Chen 2022-05-31 23 if (task_size - len < addr) 09cfefb7fa70c3 Huacai Chen 2022-05-31 24 return -EINVAL; 09cfefb7fa70c3 Huacai Chen 2022-05-31 25 return 0; 09cfefb7fa70c3 Huacai Chen 2022-05-31 26 } 09cfefb7fa70c3 Huacai Chen 2022-05-31 27 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
