Hi Huacai, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on soc/for-next] [also build test WARNING on kvm/queue arm64/for-next/core linus/master v5.19 next-20220805] [cannot apply to akpm-mm/mm-everything tip/x86/mm] [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/Huacai-Chen/mm-sparse-vmemmap-Generalise-helpers-and-enable-for-LoongArch/20220802-180930 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next config: mips-buildonly-randconfig-r001-20220805 (https://download.01.org/0day-ci/archive/20220806/202208061111.tJqmWcij-lkp@xxxxxxxxx/config) compiler: mips64el-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/284d2afe87bf580321065fb587ffb8ed5a1d0874 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Huacai-Chen/mm-sparse-vmemmap-Generalise-helpers-and-enable-for-LoongArch/20220802-180930 git checkout 284d2afe87bf580321065fb587ffb8ed5a1d0874 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash arch/mips/mm/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from arch/mips/mm/init.c:42: arch/mips/include/asm/pgalloc.h: In function 'pud_alloc_one': >> arch/mips/include/asm/pgalloc.h:96:26: warning: passing argument 1 of 'pud_init' makes pointer from integer without a cast [-Wint-conversion] 96 | pud_init((unsigned long)pud, (unsigned long)invalid_pmd_table); | ^~~~~~~~~~~~~~~~~~ | | | long unsigned int In file included from arch/mips/include/asm/pgtable.h:17, from include/linux/pgtable.h:6, from include/linux/mm.h:29, from include/linux/pagemap.h:8, from arch/mips/mm/init.c:21: arch/mips/include/asm/pgtable-64.h:329:28: note: expected 'void *' but argument is of type 'long unsigned int' 329 | extern void pud_init(void *addr); | ~~~~~~^~~~ arch/mips/include/asm/pgalloc.h:96:17: error: too many arguments to function 'pud_init' 96 | pud_init((unsigned long)pud, (unsigned long)invalid_pmd_table); | ^~~~~~~~ arch/mips/include/asm/pgtable-64.h:329:13: note: declared here 329 | extern void pud_init(void *addr); | ^~~~~~~~ arch/mips/mm/init.c: At top level: arch/mips/mm/init.c:60:6: warning: no previous prototype for 'setup_zero_pages' [-Wmissing-prototypes] 60 | void setup_zero_pages(void) | ^~~~~~~~~~~~~~~~ -- In file included from arch/mips/mm/pgtable.c:9: arch/mips/include/asm/pgalloc.h: In function 'pud_alloc_one': >> arch/mips/include/asm/pgalloc.h:96:26: warning: passing argument 1 of 'pud_init' makes pointer from integer without a cast [-Wint-conversion] 96 | pud_init((unsigned long)pud, (unsigned long)invalid_pmd_table); | ^~~~~~~~~~~~~~~~~~ | | | long unsigned int In file included from arch/mips/include/asm/pgtable.h:17, from include/linux/pgtable.h:6, from include/linux/mm.h:29, from arch/mips/mm/pgtable.c:7: arch/mips/include/asm/pgtable-64.h:329:28: note: expected 'void *' but argument is of type 'long unsigned int' 329 | extern void pud_init(void *addr); | ~~~~~~^~~~ arch/mips/include/asm/pgalloc.h:96:17: error: too many arguments to function 'pud_init' 96 | pud_init((unsigned long)pud, (unsigned long)invalid_pmd_table); | ^~~~~~~~ arch/mips/include/asm/pgtable-64.h:329:13: note: declared here 329 | extern void pud_init(void *addr); | ^~~~~~~~ vim +/pud_init +96 arch/mips/include/asm/pgalloc.h 3377e227af441a Alex Belits 2017-02-16 89 3377e227af441a Alex Belits 2017-02-16 90 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address) 3377e227af441a Alex Belits 2017-02-16 91 { 3377e227af441a Alex Belits 2017-02-16 92 pud_t *pud; 3377e227af441a Alex Belits 2017-02-16 93 473738eb78c3e3 Michal Hocko 2017-07-12 94 pud = (pud_t *) __get_free_pages(GFP_KERNEL, PUD_ORDER); 3377e227af441a Alex Belits 2017-02-16 95 if (pud) 3377e227af441a Alex Belits 2017-02-16 @96 pud_init((unsigned long)pud, (unsigned long)invalid_pmd_table); 3377e227af441a Alex Belits 2017-02-16 97 return pud; 3377e227af441a Alex Belits 2017-02-16 98 } 3377e227af441a Alex Belits 2017-02-16 99 -- 0-DAY CI Kernel Test Service https://01.org/lkp