[josef-btrfs:for-4.18/block 12/13] blk-iolatency.c:undefined reference to `__udivdi3'

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-next.git 
for-4.18/block
head:   657e770d4d6e3b03c3d4b96e427b30d6f766e2e2
commit: 377f8e81c17e1e9a47ea5908b08a7a991a9faa6f [12/13] block: introduce 
blk-iolatency io controller
config: i386-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
        git checkout 377f8e81c17e1e9a47ea5908b08a7a991a9faa6f
        # save the attached .config to linux build tree
        make ARCH=i386 

All error/warnings (new ones prefixed by >>):

   block/blk-iolatency.c: In function 'blkiolatency_timer_fn':
>> block/blk-iolatency.c:573:57: warning: integer overflow in expression 
>> [-Woverflow]
      if (now - lat_info->last_scale_event >= (NSEC_PER_SEC * 5))
                                                            ^
--
   block/blk-iolatency.o: In function `iolatency_pd_stat':
>> blk-iolatency.c:(.text+0x1b1): undefined reference to `__udivdi3'
>> blk-iolatency.c:(.text+0x1d9): undefined reference to `__divdi3'
   block/blk-iolatency.o: In function `iolatency_prfill_limit':
   blk-iolatency.c:(.text+0x3d0): undefined reference to `__udivdi3'

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.config.gz
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