Hi Matthew, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Matthew-Wilcox-Oracle/mm-Change-calling-convention-for-huge_fault/20230818-040348 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230817200150.1230317-1-willy%40infradead.org patch subject: [PATCH] mm: Change calling convention for ->huge_fault config: arc-randconfig-r043-20230818 (https://download.01.org/0day-ci/archive/20230818/202308181315.Z4HfWZsh-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230818/202308181315.Z4HfWZsh-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308181315.Z4HfWZsh-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/asm-generic/io.h:1048, from arch/arc/include/asm/io.h:232, from include/linux/io.h:13, from include/linux/irq.h:20, from include/asm-generic/hardirq.h:17, from ./arch/arc/include/generated/asm/hardirq.h:1, from include/linux/hardirq.h:11, from include/linux/interrupt.h:11, from include/linux/kernel_stat.h:9, from mm/memory.c:42: mm/memory.c: In function 'create_huge_pmd': >> include/linux/pgtable.h:8:38: error: 'PTE_SHIFT' undeclared (first use in this function); did you mean 'PUD_SHIFT'? 8 | #define PMD_ORDER (PMD_SHIFT - PTE_SHIFT) | ^~~~~~~~~ mm/memory.c:4876:53: note: in expansion of macro 'PMD_ORDER' 4876 | return vma->vm_ops->huge_fault(vmf, PMD_ORDER); | ^~~~~~~~~ include/linux/pgtable.h:8:38: note: each undeclared identifier is reported only once for each function it appears in 8 | #define PMD_ORDER (PMD_SHIFT - PTE_SHIFT) | ^~~~~~~~~ mm/memory.c:4876:53: note: in expansion of macro 'PMD_ORDER' 4876 | return vma->vm_ops->huge_fault(vmf, PMD_ORDER); | ^~~~~~~~~ mm/memory.c: In function 'wp_huge_pmd': >> include/linux/pgtable.h:8:38: error: 'PTE_SHIFT' undeclared (first use in this function); did you mean 'PUD_SHIFT'? 8 | #define PMD_ORDER (PMD_SHIFT - PTE_SHIFT) | ^~~~~~~~~ mm/memory.c:4896:60: note: in expansion of macro 'PMD_ORDER' 4896 | ret = vma->vm_ops->huge_fault(vmf, PMD_ORDER); | ^~~~~~~~~ vim +8 include/linux/pgtable.h 7 > 8 #define PMD_ORDER (PMD_SHIFT - PTE_SHIFT) 9 #define PUD_ORDER (PUD_SHIFT - PTE_SHIFT) 10 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki