Hi "Aneesh, I love your patch! Yet something to improve: [auto build test ERROR on hnaz-linux-mm/master] [also build test ERROR on powerpc/next linus/master v5.9-rc1 next-20200819] [cannot apply to mmotm/master] [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] url: https://github.com/0day-ci/linux/commits/Aneesh-Kumar-K-V/mm-debug_vm_pgtable-fixes/20200819-213446 base: https://github.com/hnaz/linux-mm master config: i386-randconfig-s002-20200818 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-183-gaa6ede3b-dirty # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> arch/x86/mm/ioremap.c:484:12: error: redefinition of 'arch_ioremap_p4d_supported' 484 | int __init arch_ioremap_p4d_supported(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/mm/ioremap.c:12: include/linux/io.h:41:19: note: previous definition of 'arch_ioremap_p4d_supported' was here 41 | static inline int arch_ioremap_p4d_supported(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> arch/x86/mm/ioremap.c:489:12: error: redefinition of 'arch_ioremap_pud_supported' 489 | int __init arch_ioremap_pud_supported(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/mm/ioremap.c:12: include/linux/io.h:45:19: note: previous definition of 'arch_ioremap_pud_supported' was here 45 | static inline int arch_ioremap_pud_supported(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> arch/x86/mm/ioremap.c:498:12: error: redefinition of 'arch_ioremap_pmd_supported' 498 | int __init arch_ioremap_pmd_supported(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/mm/ioremap.c:12: include/linux/io.h:49:19: note: previous definition of 'arch_ioremap_pmd_supported' was here 49 | static inline int arch_ioremap_pmd_supported(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/mm/ioremap.c:737:17: warning: no previous prototype for 'early_memremap_pgprot_adjust' [-Wmissing-prototypes] 737 | pgprot_t __init early_memremap_pgprot_adjust(resource_size_t phys_addr, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ # https://github.com/0day-ci/linux/commit/260b675444a7d5afa9ccef47ca9e588fb18d01a3 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Aneesh-Kumar-K-V/mm-debug_vm_pgtable-fixes/20200819-213446 git checkout 260b675444a7d5afa9ccef47ca9e588fb18d01a3 vim +/arch_ioremap_p4d_supported +484 arch/x86/mm/ioremap.c ^1da177e4c3f41 arch/i386/mm/ioremap.c Linus Torvalds 2005-04-16 483 0f472d04f59ff8 arch/x86/mm/ioremap.c Anshuman Khandual 2019-07-16 @484 int __init arch_ioremap_p4d_supported(void) 0f472d04f59ff8 arch/x86/mm/ioremap.c Anshuman Khandual 2019-07-16 485 { 0f472d04f59ff8 arch/x86/mm/ioremap.c Anshuman Khandual 2019-07-16 486 return 0; 0f472d04f59ff8 arch/x86/mm/ioremap.c Anshuman Khandual 2019-07-16 487 } 0f472d04f59ff8 arch/x86/mm/ioremap.c Anshuman Khandual 2019-07-16 488 1e6277de3a2337 arch/x86/mm/ioremap.c Jan Beulich 2015-05-28 @489 int __init arch_ioremap_pud_supported(void) 5d72b4fba40ef4 arch/x86/mm/ioremap.c Toshi Kani 2015-04-14 490 { 5d72b4fba40ef4 arch/x86/mm/ioremap.c Toshi Kani 2015-04-14 491 #ifdef CONFIG_X86_64 b8291adc191abe arch/x86/mm/ioremap.c Borislav Petkov 2016-03-29 492 return boot_cpu_has(X86_FEATURE_GBPAGES); 5d72b4fba40ef4 arch/x86/mm/ioremap.c Toshi Kani 2015-04-14 493 #else 5d72b4fba40ef4 arch/x86/mm/ioremap.c Toshi Kani 2015-04-14 494 return 0; 5d72b4fba40ef4 arch/x86/mm/ioremap.c Toshi Kani 2015-04-14 495 #endif 5d72b4fba40ef4 arch/x86/mm/ioremap.c Toshi Kani 2015-04-14 496 } 5d72b4fba40ef4 arch/x86/mm/ioremap.c Toshi Kani 2015-04-14 497 1e6277de3a2337 arch/x86/mm/ioremap.c Jan Beulich 2015-05-28 @498 int __init arch_ioremap_pmd_supported(void) 5d72b4fba40ef4 arch/x86/mm/ioremap.c Toshi Kani 2015-04-14 499 { 16bf92261b1b6c arch/x86/mm/ioremap.c Borislav Petkov 2016-03-29 500 return boot_cpu_has(X86_FEATURE_PSE); 5d72b4fba40ef4 arch/x86/mm/ioremap.c Toshi Kani 2015-04-14 501 } 5d72b4fba40ef4 arch/x86/mm/ioremap.c Toshi Kani 2015-04-14 502 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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