From: kernel test robot <lkp@intel.com>
To: Joe Thornber <ejt@redhat.com>
Cc: dm-devel@redhat.com, Mike Snitzer <snitzer@kernel.org>,
oe-kbuild-all@lists.linux.dev
Subject: [dm-devel] [device-mapper-dm:for-next 2/4] drivers/md/persistent-data/dm-extent-allocator.c:373: undefined reference to `__udivdi3'
Date: Sat, 16 Sep 2023 03:49:53 +0800 [thread overview]
Message-ID: <202309160312.k1ou4uxF-lkp@intel.com> (raw)
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@intel.com/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@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309160312.k1ou4uxF-lkp@intel.com/
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
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reply other threads:[~2023-09-15 19:53 UTC|newest]
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