tree: https://github.com/rgushchin/linux.git fix_vmstats head: 4ec858b5201ae067607e82706b36588631c1b990 commit: 8abab7c3016f03edee681cd2a8231c0a4f567ec9 [210/221] mm: treewide: clarify pgtable_page_{ctor,dtor}() naming config: microblaze-mmu_defconfig (attached as .config) compiler: microblaze-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 8abab7c3016f03edee681cd2a8231c0a4f567ec9 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=microblaze If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/microblaze/kernel/process.c:21:0: arch/microblaze/include/asm/pgalloc.h: In function 'pte_alloc_one': >> arch/microblaze/include/asm/pgalloc.h:63:7: error: implicit declaration of function 'pgtable_page_ctor'; did you mean 'pgtable_pmd_page_ctor'? [-Werror=implicit-function-declaration] if (!pgtable_page_ctor(ptepage)) { ^~~~~~~~~~~~~~~~~ pgtable_pmd_page_ctor cc1: some warnings being treated as errors vim +63 arch/microblaze/include/asm/pgalloc.h 1f84e1ea0e87ad Michal Simek 2009-05-26 59 1f84e1ea0e87ad Michal Simek 2009-05-26 60 ptepage = alloc_pages(flags, 0); 8abe73465660f1 Kirill A. Shutemov 2013-11-14 61 if (!ptepage) 8abe73465660f1 Kirill A. Shutemov 2013-11-14 62 return NULL; 8abe73465660f1 Kirill A. Shutemov 2013-11-14 @63 if (!pgtable_page_ctor(ptepage)) { 8abe73465660f1 Kirill A. Shutemov 2013-11-14 64 __free_page(ptepage); 8abe73465660f1 Kirill A. Shutemov 2013-11-14 65 return NULL; 8abe73465660f1 Kirill A. Shutemov 2013-11-14 66 } 1f84e1ea0e87ad Michal Simek 2009-05-26 67 return ptepage; 1f84e1ea0e87ad Michal Simek 2009-05-26 68 } 1f84e1ea0e87ad Michal Simek 2009-05-26 69 :::::: The code at line 63 was first introduced by commit :::::: 8abe73465660f12dee03871f681175f4dae62e7f microblaze: add missing pgtable_page_ctor/dtor calls :::::: TO: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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