tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable
head:   9bb8753acdd8c679c474b3531e026dd389a6e46c
commit: 683876b1d9d9d19ade9b7603dba5ba6d669670e6 [120/123] memory tier: consolidate the initialization of memory tiers
config: x86_64-kexec
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
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/202406292310.hlRATeZJ-lkp@intel.com/

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> WARNING: modpost: vmlinux: section mismatch in reference: hmat_set_default_dram_perf+0xc (section: .text) -> default_dram_nodes (section: .init.data)
WARNING: modpost: vmlinux: section mismatch in reference: hmat_set_default_dram_perf+0x6c (section: .text) -> default_dram_nodes (section: .init.data)
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/kernel/cpu/mce/mce-inject.o
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/kvm/kvm.o
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/kvm/kvm-intel.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/btrfs/btrfs.o
WARNING: modpost: missing MODULE_DESCRIPTION() in crypto/xor.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/acpi/nfit/nfit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/brd.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dax/hmem/dax_hmem.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dax/device_dax.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dax/kmem.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dax/dax_pmem.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/isci/isci.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/cdrom/cdrom.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/devfreq/governor_simpleondemand.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/nvdimm/libnvdimm.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/nvdimm/nd_pmem.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/nvdimm/nd_btt.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/nvdimm/nd_e820.o

-- 
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https://github.com/intel/lkp-tests/wiki