On Wed, Dec 04, 2024 at 07:55:16PM +0800, kernel test robot wrote: > 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/ Thanks for the report! Seems to be missing a header to include/uapi/linux/personality.h which declares READ_IMPLES_EXEC, however the standard means of including this appears to be including linux/personality.h which also imports this header. I have sent a fixpatch separately. > > 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
