tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next head: 785f3bb19d40050d0f40c07cbe6345e361acdcae commit: b97bcee4b9999c9f5aadc06317ade18c5cbe37f6 [2/4] dm persistent data: Introduce extent allocator config: i386-randconfig-013-20230915 (https://download.01.org/0day-ci/archive/20230916/202309160312.k1ou4uxF-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/20230916/202309160312.k1ou4uxF-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/202309160312.k1ou4uxF-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): ld: drivers/md/persistent-data/dm-extent-allocator.o: in function `__select_child': >> drivers/md/persistent-data/dm-extent-allocator.c:373: undefined reference to `__udivdi3' >> ld: drivers/md/persistent-data/dm-extent-allocator.c:374: undefined reference to `__udivdi3' >> ld: drivers/md/persistent-data/dm-extent-allocator.c:374: undefined reference to `__udivdi3' >> ld: drivers/md/persistent-data/dm-extent-allocator.c:373: undefined reference to `__udivdi3' vim +373 drivers/md/persistent-data/dm-extent-allocator.c 359 360 /** 361 * __select_child - Selects the best child node to allocate from in the extent allocator. 362 * @ea: Pointer to the extent allocator. 363 * @left: left child node. 364 * @right: right child node. 365 * 366 * The best child is the one with the highest ratio of free blocks to holders. If the 367 * ratios are equal, the left child is preferred. 368 */ 369 static struct node **__select_child(struct dm_extent_allocator *ea, struct node **left, struct node **right) 370 { 371 uint64_t left_score, right_score; 372 > 373 left_score = __nr_free_blocks(*left) / ((*left)->nr_holders + 1); > 374 right_score = __nr_free_blocks(*right) / ((*right)->nr_holders + 1); 375 376 if (left_score >= right_score) 377 return left; 378 else 379 return right; 380 } 381 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel