[tj-cgroup:for-6.18 7/8] kernel/cgroup/cgroup.c:3781:undefined reference to `__aeabi_uldivmod'

[tj-cgroup:for-6.18 7/8] kernel/cgroup/cgroup.c:3781:undefined reference to `__aeabi_uldivmod'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-6.18
head:   7b281a4582c4408add22cc99f221886b50dd0548
commit: afa3701c0e45ecb9e4d160048ca4e353c7489948 [7/8] cgroup: cgroup.stat.local time accounting
config: arm-randconfig-002-20250823 (https://download.01.org/0day-ci/archive/20250823/202508230604.KyvqOy81-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250823/202508230604.KyvqOy81-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/202508230604.KyvqOy81-lkp@intel.com/

All errors (new ones prefixed by >>):

   arm-linux-gnueabi-ld: kernel/cgroup/cgroup.o: in function `cgroup_core_local_stat_show':
>> kernel/cgroup/cgroup.c:3781:(.text+0x28f4): undefined reference to `__aeabi_uldivmod'
   arm-linux-gnueabi-ld: (__aeabi_uldivmod): Unknown destination type (ARM/Thumb) in kernel/cgroup/cgroup.o
>> kernel/cgroup/cgroup.c:3781:(.text+0x28f4): dangerous relocation: unsupported relocation


vim +3781 kernel/cgroup/cgroup.c

  3765	
  3766	static int cgroup_core_local_stat_show(struct seq_file *seq, void *v)
  3767	{
  3768		struct cgroup *cgrp = seq_css(seq)->cgroup;
  3769		unsigned int sequence;
  3770		u64 freeze_time;
  3771	
  3772		do {
  3773			sequence = read_seqcount_begin(&cgrp->freezer.freeze_seq);
  3774			freeze_time = cgrp->freezer.frozen_nsec;
  3775			/* Add in current freezer interval if the cgroup is freezing. */
  3776			if (test_bit(CGRP_FREEZE, &cgrp->flags))
  3777				freeze_time += (ktime_get_ns() -
  3778						cgrp->freezer.freeze_start_nsec);
  3779		} while (read_seqcount_retry(&cgrp->freezer.freeze_seq, sequence));
  3780	
> 3781		seq_printf(seq, "frozen_usec %llu\n",
  3782			   (unsigned long long) freeze_time / NSEC_PER_USEC);
  3783	
  3784		return 0;
  3785	}
  3786	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki