Hi Anshuman, Thank you for the patch! Yet something to improve: [auto build test ERROR on powerpc/next] [also build test ERROR on s390/features linus/master arc/for-next v5.5] [cannot apply to mmotm/master tip/x86/core arm64/for-next/core next-20200205] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Anshuman-Khandual/mm-debug-Add-tests-validating-architecture-page-table-helpers/20200205-215507 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): In file included from include/asm-generic/pgtable-nopud.h:8:0, from arch/ia64/include/asm/pgtable.h:586, from include/linux/mm.h:99, from include/linux/highmem.h:8, from mm/debug_vm_pgtable.c:14: mm/debug_vm_pgtable.c: In function 'pud_clear_tests': >> include/asm-generic/pgtable-nop4d-hack.h:47:32: error: implicit declaration of function '__pgd'; did you mean '__p4d'? [-Werror=implicit-function-declaration] #define __pud(x) ((pud_t) { __pgd(x) }) ^ >> mm/debug_vm_pgtable.c:141:8: note: in expansion of macro '__pud' pud = __pud(pud_val(pud) | RANDOM_ORVALUE); ^~~~~ >> include/asm-generic/pgtable-nop4d-hack.h:47:22: warning: missing braces around initializer [-Wmissing-braces] #define __pud(x) ((pud_t) { __pgd(x) }) ^ >> mm/debug_vm_pgtable.c:141:8: note: in expansion of macro '__pud' pud = __pud(pud_val(pud) | RANDOM_ORVALUE); ^~~~~ cc1: some warnings being treated as errors vim +47 include/asm-generic/pgtable-nop4d-hack.h 30ec842660bd0d Kirill A. Shutemov 2017-03-09 45 30ec842660bd0d Kirill A. Shutemov 2017-03-09 46 #define pud_val(x) (pgd_val((x).pgd)) 30ec842660bd0d Kirill A. Shutemov 2017-03-09 @47 #define __pud(x) ((pud_t) { __pgd(x) }) 30ec842660bd0d Kirill A. Shutemov 2017-03-09 48 :::::: The code at line 47 was first introduced by commit :::::: 30ec842660bd0d056d4a7028ac5bd4a82b113d4f asm-generic: introduce __ARCH_USE_5LEVEL_HACK :::::: 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/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
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