[peterz-queue:sched/core 44/45] ld.lld: error: undefined symbol: __setparam_fair

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

Hi Vincent,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/core
head:   82563deef777b32ef169230d5cdf4e37ba9e9bde
commit: 12ef9ed8faba2301620ce093e2f5b5e3ca886ae0 [44/45] sched/fair: Encapsulate set custom slice in a __setparam_fair() function
config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20250111/202501110331.ZfWHFW4Z-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250111/202501110331.ZfWHFW4Z-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/202501110331.ZfWHFW4Z-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: __setparam_fair
   >>> referenced by build_policy.c
   >>>               kernel/sched/build_policy.o:(__sched_setscheduler) in archive vmlinux.a

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