Hi Huacai, Thank you for the patch! Yet something to improve: [auto build test ERROR on soc/for-next] [also build test ERROR on kvm/queue arm64/for-next/core linus/master v5.19-rc7 next-20220722] [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/20220721-211006 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next config: nios2-allnoconfig (https://download.01.org/0day-ci/archive/20220724/202207241246.ZV8cRK1g-lkp@xxxxxxxxx/config) compiler: nios2-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/46a065b827f834b046cffafc7fa165b6fadd9c5c 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/20220721-211006 git checkout 46a065b827f834b046cffafc7fa165b6fadd9c5c # 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=nios2 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from kernel/fork.c:102: >> arch/nios2/include/asm/pgalloc.h:32:13: error: conflicting types for 'pmd_init'; have 'void(long unsigned int, long unsigned int)' 32 | extern void pmd_init(unsigned long page, unsigned long pagetable); | ^~~~~~~~ In file included from include/linux/pid_namespace.h:7, from include/linux/ptrace.h:10, from arch/nios2/include/uapi/asm/elf.h:24, from arch/nios2/include/asm/elf.h:9, from include/linux/elf.h:6, from include/linux/module.h:19, from kernel/fork.c:30: include/linux/mm.h:3206:6: note: previous declaration of 'pmd_init' with type 'void(void *)' 3206 | void pmd_init(void *addr); | ^~~~~~~~ kernel/fork.c:163:13: warning: no previous prototype for 'arch_release_task_struct' [-Wmissing-prototypes] 163 | void __weak arch_release_task_struct(struct task_struct *tsk) | ^~~~~~~~~~~~~~~~~~~~~~~~ kernel/fork.c:852:20: warning: no previous prototype for 'arch_task_cache_init' [-Wmissing-prototypes] 852 | void __init __weak arch_task_cache_init(void) { } | ^~~~~~~~~~~~~~~~~~~~ kernel/fork.c:947:12: warning: no previous prototype for 'arch_dup_task_struct' [-Wmissing-prototypes] 947 | int __weak arch_dup_task_struct(struct task_struct *dst, | ^~~~~~~~~~~~~~~~~~~~ -- In file included from mm/filemap.c:45: >> arch/nios2/include/asm/pgalloc.h:32:13: error: conflicting types for 'pmd_init'; have 'void(long unsigned int, long unsigned int)' 32 | extern void pmd_init(unsigned long page, unsigned long pagetable); | ^~~~~~~~ In file included from include/linux/dax.h:6, from mm/filemap.c:15: include/linux/mm.h:3206:6: note: previous declaration of 'pmd_init' with type 'void(void *)' 3206 | void pmd_init(void *addr); | ^~~~~~~~ vim +32 arch/nios2/include/asm/pgalloc.h cbd15b3fadc27e Ley Foon Tan 2014-11-06 28 cbd15b3fadc27e Ley Foon Tan 2014-11-06 29 /* cbd15b3fadc27e Ley Foon Tan 2014-11-06 30 * Initialize a new pmd table with invalid pointers. cbd15b3fadc27e Ley Foon Tan 2014-11-06 31 */ cbd15b3fadc27e Ley Foon Tan 2014-11-06 @32 extern void pmd_init(unsigned long page, unsigned long pagetable); cbd15b3fadc27e Ley Foon Tan 2014-11-06 33 -- 0-DAY CI Kernel Test Service https://01.org/lkp
