tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
head:   574966cc970ddc4ec6fb435bbbca9804d92e4953
commit: 24bc7e1b9a3e0062e4bcde941a76c7dbe5516401 [33/59] mm,memory_hotplug: implement numa node notifier
config: s390-randconfig-2002-20250605
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce (this is a W=1 build):

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/202506181211.SAaUjVDq-lkp@intel.com/

All errors (new ones prefixed by >>):

   s390x-linux-ld: kernel/cgroup/cpuset.o: in function `cpuset_init_smp':
>> cpuset.c:(.init.text+0x18e): undefined reference to `register_node_notifier'
   s390x-linux-ld: mm/memory_hotplug.o: in function `online_pages':
>> memory_hotplug.c:(.text+0x1c8c): undefined reference to `node_notify'
   s390x-linux-ld: mm/slub.o: in function `kmem_cache_init':
>> slub.c:(.init.text+0x2a6): undefined reference to `register_node_notifier'

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