tree: https://github.com/hnaz/linux-mm master head: 2932a9e66c580f3c8d95ec27716d437198fb4c94 commit: 67ad3e4bc7bece716ce8cf261ed8bd3166ee06e7 [127/421] asm-generic: pgalloc: provide generic pud_alloc_one() and pud_free_one() config: mips-randconfig-r031-20201209 (attached as .config) compiler: mips64-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/hnaz/linux-mm/commit/67ad3e4bc7bece716ce8cf261ed8bd3166ee06e7 git remote add hnaz-linux-mm https://github.com/hnaz/linux-mm git fetch --no-tags hnaz-linux-mm master git checkout 67ad3e4bc7bece716ce8cf261ed8bd3166ee06e7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/mips/sgi-ip27/ip27-memory.c:24: >> arch/mips/include/asm/pgalloc.h:81:22: error: redefinition of 'pud_alloc_one' 81 | static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address) | ^~~~~~~~~~~~~ In file included from arch/mips/include/asm/pgalloc.h:18, from arch/mips/sgi-ip27/ip27-memory.c:24: include/asm-generic/pgalloc.h:160:22: note: previous definition of 'pud_alloc_one' was here 160 | static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) | ^~~~~~~~~~~~~ arch/mips/sgi-ip27/ip27-memory.c:390:13: warning: no previous prototype for 'prom_meminit' [-Wmissing-prototypes] 390 | void __init prom_meminit(void) | ^~~~~~~~~~~~ arch/mips/sgi-ip27/ip27-memory.c:409:13: warning: no previous prototype for 'prom_free_prom_memory' [-Wmissing-prototypes] 409 | void __init prom_free_prom_memory(void) | ^~~~~~~~~~~~~~~~~~~~~ vim +/pud_alloc_one +81 arch/mips/include/asm/pgalloc.h 3377e227af441a Alex Belits 2017-02-16 80 3377e227af441a Alex Belits 2017-02-16 @81 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address) 3377e227af441a Alex Belits 2017-02-16 82 { 3377e227af441a Alex Belits 2017-02-16 83 pud_t *pud; 3377e227af441a Alex Belits 2017-02-16 84 473738eb78c3e3 Michal Hocko 2017-07-12 85 pud = (pud_t *) __get_free_pages(GFP_KERNEL, PUD_ORDER); 3377e227af441a Alex Belits 2017-02-16 86 if (pud) 3377e227af441a Alex Belits 2017-02-16 87 pud_init((unsigned long)pud, (unsigned long)invalid_pmd_table); 3377e227af441a Alex Belits 2017-02-16 88 return pud; 3377e227af441a Alex Belits 2017-02-16 89 } 3377e227af441a Alex Belits 2017-02-16 90 :::::: The code at line 81 was first introduced by commit :::::: 3377e227af441aff710726437adc20efc359fd9c MIPS: Add 48-bit VA space (and 4-level page tables) for 4K pages. :::::: TO: Alex Belits <alex.belits@xxxxxxxxxx> :::::: CC: Ralf Baechle <ralf@xxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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