Hi Lorenzo, 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/Lorenzo-Stoakes/mm-vma-move-brk-internals-to-mm-vma-c/20241204-115150 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/3d24b9e67bb0261539ca921d1188a10a1b4d4357.1733248985.git.lorenzo.stoakes%40oracle.com patch subject: [PATCH 1/5] mm/vma: move brk() internals to mm/vma.c config: mips-allnoconfig (https://download.01.org/0day-ci/archive/20241204/202412041907.3DXYQrz6-lkp@xxxxxxxxx/config) compiler: mips-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241204/202412041907.3DXYQrz6-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/202412041907.3DXYQrz6-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from arch/mips/include/asm/cacheflush.h:13, from include/linux/cacheflush.h:5, from include/linux/highmem.h:8, from include/linux/bvec.h:10, from include/linux/blk_types.h:10, from include/linux/writeback.h:13, from include/linux/backing-dev.h:16, from mm/vma_internal.h:12, from mm/vma.c:7: mm/vma.c: In function 'do_brk_flags': >> include/linux/mm.h:450:44: error: 'READ_IMPLIES_EXEC' undeclared (first use in this function) 450 | #define TASK_EXEC ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | ^~~~~~~~~~~~~~~~~ include/linux/mm.h:453:55: note: in expansion of macro 'TASK_EXEC' 453 | #define VM_DATA_FLAGS_TSK_EXEC (VM_READ | VM_WRITE | TASK_EXEC | \ | ^~~~~~~~~ arch/mips/include/asm/page.h:215:33: note: in expansion of macro 'VM_DATA_FLAGS_TSK_EXEC' 215 | #define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC | ^~~~~~~~~~~~~~~~~~~~~~ mm/vma.c:2503:18: note: in expansion of macro 'VM_DATA_DEFAULT_FLAGS' 2503 | flags |= VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags; | ^~~~~~~~~~~~~~~~~~~~~ include/linux/mm.h:450:44: note: each undeclared identifier is reported only once for each function it appears in 450 | #define TASK_EXEC ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | ^~~~~~~~~~~~~~~~~ include/linux/mm.h:453:55: note: in expansion of macro 'TASK_EXEC' 453 | #define VM_DATA_FLAGS_TSK_EXEC (VM_READ | VM_WRITE | TASK_EXEC | \ | ^~~~~~~~~ arch/mips/include/asm/page.h:215:33: note: in expansion of macro 'VM_DATA_FLAGS_TSK_EXEC' 215 | #define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC | ^~~~~~~~~~~~~~~~~~~~~~ mm/vma.c:2503:18: note: in expansion of macro 'VM_DATA_DEFAULT_FLAGS' 2503 | flags |= VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags; | ^~~~~~~~~~~~~~~~~~~~~ vim +/READ_IMPLIES_EXEC +450 include/linux/mm.h a8bef8ff6ea15fa Mel Gorman 2010-05-24 449 c62da0c35d58518 Anshuman Khandual 2020-04-10 @450 #define TASK_EXEC ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) c62da0c35d58518 Anshuman Khandual 2020-04-10 451 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki