[cilium:pr/misc-patches 10/13] nios2-linux-ld: task_iter.c:undefined reference to `init_net'

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/cilium/linux.git pr/misc-patches
head:   3c68876290b3daed7a2766d683c73bbb4fa5b3d1
commit: 32d03d460ba261b39cb694e6140d84f2f67c3f8d [10/13] bpf: kfunc for init netns
config: nios2-randconfig-001-20240511 (https://download.01.org/0day-ci/archive/20240512/202405120025.GaFABc22-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240512/202405120025.GaFABc22-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/202405120025.GaFABc22-lkp@intel.com/

All errors (new ones prefixed by >>):

   nios2-linux-ld: kernel/bpf/task_iter.o: in function `bpf_iter_net_new':
   task_iter.c:(.text+0x16fc): undefined reference to `net_namespace_list'
   nios2-linux-ld: task_iter.c:(.text+0x1700): undefined reference to `net_namespace_list'
   nios2-linux-ld: task_iter.c:(.text+0x1704): undefined reference to `net_namespace_list'
   nios2-linux-ld: task_iter.c:(.text+0x1708): undefined reference to `net_namespace_list'
   nios2-linux-ld: kernel/bpf/task_iter.o: in function `bpf_init_net':
   task_iter.c:(.text+0x17e4): undefined reference to `init_net'
>> nios2-linux-ld: task_iter.c:(.text+0x17e8): undefined reference to `init_net'

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