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-ath25_defconfig (https://download.01.org/0day-ci/archive/20241204/202412042012.zymuBpfD-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241204/202412042012.zymuBpfD-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/202412042012.zymuBpfD-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from mm/vma.c:7: In file included from mm/vma_internal.h:12: In file included from include/linux/backing-dev.h:16: In file included from include/linux/writeback.h:13: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:8: In file included from include/linux/cacheflush.h:5: In file included from arch/mips/include/asm/cacheflush.h:13: In file included from include/linux/mm.h:2223: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from mm/vma.c:7: In file included from mm/vma_internal.h:29: include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~ ^ ~~~ include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 49 | NR_ZONE_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~~~~~~ ^ ~~~ >> mm/vma.c:2503:11: error: use of undeclared identifier 'READ_IMPLIES_EXEC' 2503 | flags |= VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags; | ^ arch/mips/include/asm/page.h:215:31: note: expanded from macro 'VM_DATA_DEFAULT_FLAGS' 215 | #define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC | ^ include/linux/mm.h:453:54: note: expanded from macro 'VM_DATA_FLAGS_TSK_EXEC' 453 | #define VM_DATA_FLAGS_TSK_EXEC (VM_READ | VM_WRITE | TASK_EXEC | \ | ^ include/linux/mm.h:450:44: note: expanded from macro 'TASK_EXEC' 450 | #define TASK_EXEC ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | ^ 3 warnings and 1 error generated. vim +/READ_IMPLIES_EXEC +2503 mm/vma.c 2481 2482 /* 2483 * do_brk_flags() - Increase the brk vma if the flags match. 2484 * @vmi: The vma iterator 2485 * @addr: The start address 2486 * @len: The length of the increase 2487 * @vma: The vma, 2488 * @flags: The VMA Flags 2489 * 2490 * Extend the brk VMA from addr to addr + len. If the VMA is NULL or the flags 2491 * do not match then create a new anonymous VMA. Eventually we may be able to 2492 * do some brk-specific accounting here. 2493 */ 2494 int do_brk_flags(struct vma_iterator *vmi, struct vm_area_struct *vma, 2495 unsigned long addr, unsigned long len, unsigned long flags) 2496 { 2497 struct mm_struct *mm = current->mm; 2498 2499 /* 2500 * Check against address space limits by the changed size 2501 * Note: This happens *after* clearing old mappings in some code paths. 2502 */ > 2503 flags |= VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags; -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
