Hi Guillaume, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.13-rc1 next-20241204] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Guillaume-Morin/hugetlb-support-FOLL_FORCE-FOLL_WRITE/20241205-022843 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/Z1Ce6j5WiBE3kaGf%40bender.morinfr.org patch subject: [PATCH v1] hugetlb: support FOLL_FORCE|FOLL_WRITE config: i386-buildonly-randconfig-002 (https://download.01.org/0day-ci/archive/20241205/202412050943.6b8BLXfY-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241205/202412050943.6b8BLXfY-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/202412050943.6b8BLXfY-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from mm/gup.c:7: 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/gup.c:20: 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/gup.c:665:41: error: call to undeclared function 'pud_soft_dirty'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 665 | return !vma_soft_dirty_enabled(vma) || pud_soft_dirty(pud); | ^ mm/gup.c:665:41: note: did you mean 'pmd_soft_dirty'? include/linux/pgtable.h:1427:19: note: 'pmd_soft_dirty' declared here 1427 | static inline int pmd_soft_dirty(pmd_t pmd) | ^ 3 warnings and 1 error generated. vim +/pud_soft_dirty +665 mm/gup.c 650 651 #ifdef CONFIG_PGTABLE_HAS_HUGE_LEAVES 652 /* FOLL_FORCE can write to even unwritable PUDs in COW mappings. */ 653 static inline bool can_follow_write_pud(pud_t pud, struct page *page, 654 struct vm_area_struct *vma, 655 unsigned int flags) 656 { 657 /* If the pud is writable, we can write to the page. */ 658 if (pud_write(pud)) 659 return true; 660 661 if (!can_follow_write_common(page, vma, flags)) 662 return false; 663 664 /* ... and a write-fault isn't required for other reasons. */ > 665 return !vma_soft_dirty_enabled(vma) || pud_soft_dirty(pud); 666 } 667 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
