Hi Edward, 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/Edward-Adam-Davis/mm-hugetlb-fix-null-ptr-defer-in-hugetlb_vma_lock_write/20231103-003152 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/tencent_164A247533766D667C3D873798968236C409%40qq.com patch subject: [PATCH] mm/hugetlb: fix null ptr defer in hugetlb_vma_lock_write config: um-defconfig (https://download.01.org/0day-ci/archive/20231103/202311030737.my9iglMI-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231103/202311030737.my9iglMI-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/202311030737.my9iglMI-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from kernel/fork.c:52: include/linux/hugetlb.h: In function '__vma_private_lock': >> include/linux/hugetlb.h:1276:17: error: implicit declaration of function 'is_vma_resv_set' [-Werror=implicit-function-declaration] 1276 | is_vma_resv_set(vma, HPAGE_RESV_OWNER); | ^~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/is_vma_resv_set +1276 include/linux/hugetlb.h 1271 1272 #define HPAGE_RESV_OWNER (1UL << 0) 1273 static inline bool __vma_private_lock(struct vm_area_struct *vma) 1274 { 1275 return (!(vma->vm_flags & VM_MAYSHARE)) && vma->vm_private_data && > 1276 is_vma_resv_set(vma, HPAGE_RESV_OWNER); 1277 } 1278 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
