Hi Anshuman, Thank you for the patch! Yet something to improve: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Anshuman-Khandual/mm-mmap-Drop-__SXXX-__PXXX-macros-from-across-platforms/20220613-133456 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything config: powerpc64-randconfig-r016-20220613 (https://download.01.org/0day-ci/archive/20220613/202206131931.ZJuanaBo-lkp@xxxxxxxxx/config) compiler: powerpc64le-linux-gcc (GCC) 11.3.0 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/intel-lab-lkp/linux/commit/696f81b49f7b6316f652d795da4c0008efef4487 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Anshuman-Khandual/mm-mmap-Drop-__SXXX-__PXXX-macros-from-across-platforms/20220613-133456 git checkout 696f81b49f7b6316f652d795da4c0008efef4487 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/mm/book3s64/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/powerpc/include/asm/page.h:306, from arch/powerpc/include/asm/mmu.h:149, from arch/powerpc/include/asm/lppaca.h:46, from arch/powerpc/include/asm/paca.h:18, from arch/powerpc/include/asm/current.h:13, from include/linux/sched.h:12, from arch/powerpc/mm/book3s64/pgtable.c:6: arch/powerpc/mm/book3s64/pgtable.c: In function 'vm_get_page_prot': >> arch/powerpc/mm/book3s64/pgtable.c:557:41: error: 'protection_map' undeclared (first use in this function) 557 | unsigned long prot = pgprot_val(protection_map[vm_flags & | ^~~~~~~~~~~~~~ arch/powerpc/include/asm/pgtable-be-types.h:68:27: note: in definition of macro 'pgprot_val' 68 | #define pgprot_val(x) ((x).pgprot) | ^ arch/powerpc/mm/book3s64/pgtable.c:557:41: note: each undeclared identifier is reported only once for each function it appears in 557 | unsigned long prot = pgprot_val(protection_map[vm_flags & | ^~~~~~~~~~~~~~ arch/powerpc/include/asm/pgtable-be-types.h:68:27: note: in definition of macro 'pgprot_val' 68 | #define pgprot_val(x) ((x).pgprot) | ^ vim +/protection_map +557 arch/powerpc/mm/book3s64/pgtable.c 634093c59a12fc Anshuman Khandual 2022-04-28 553 847c271152e941 Anshuman Khandual 2022-06-13 554 /* Note due to the way vm flags are laid out, the bits are XWR */ 634093c59a12fc Anshuman Khandual 2022-04-28 555 pgprot_t vm_get_page_prot(unsigned long vm_flags) 634093c59a12fc Anshuman Khandual 2022-04-28 556 { 634093c59a12fc Anshuman Khandual 2022-04-28 @557 unsigned long prot = pgprot_val(protection_map[vm_flags & 634093c59a12fc Anshuman Khandual 2022-04-28 558 (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]); 634093c59a12fc Anshuman Khandual 2022-04-28 559 634093c59a12fc Anshuman Khandual 2022-04-28 560 if (vm_flags & VM_SAO) 634093c59a12fc Anshuman Khandual 2022-04-28 561 prot |= _PAGE_SAO; 634093c59a12fc Anshuman Khandual 2022-04-28 562 -- 0-DAY CI Kernel Test Service https://01.org/lkp