Re: [RFC PATCH 39/39] KVM: guest_memfd: Dynamically split/reconstruct HugeTLB page

Re: [RFC PATCH 39/39] KVM: guest_memfd: Dynamically split/reconstruct HugeTLB page

[kernel test robot]

Hi Ackerley,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on kvm/queue]
[also build test ERROR on linus/master v6.11-rc7]
[cannot apply to akpm-mm/mm-everything kvm/linux-next next-20240913]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Ackerley-Tng/mm-hugetlb-Simplify-logic-in-dequeue_hugetlb_folio_vma/20240911-074716
base:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
patch link:    https://lore.kernel.org/r/38723c5d5e9b530e52f28b9f9f4a6d862ed69bcd.1726009989.git.ackerleytng%40google.com
patch subject: [RFC PATCH 39/39] KVM: guest_memfd: Dynamically split/reconstruct HugeTLB page
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20240914/202409141709.Edd1Sxg8-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240914/202409141709.Edd1Sxg8-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/202409141709.Edd1Sxg8-lkp@intel.com/

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

ERROR: modpost: "default_hstate_idx" [arch/x86/kvm/kvm.ko] undefined!
ERROR: modpost: "hstates" [arch/x86/kvm/kvm.ko] undefined!
ERROR: modpost: "hugepage_new_subpool" [arch/x86/kvm/kvm.ko] undefined!
ERROR: modpost: "folio_zero_user" [arch/x86/kvm/kvm.ko] undefined!
ERROR: modpost: "hugetlb_fault_mutex_hash" [arch/x86/kvm/kvm.ko] undefined!
ERROR: modpost: "hugetlb_fault_mutex_table" [arch/x86/kvm/kvm.ko] undefined!
ERROR: modpost: "get_mem_cgroup_from_current" [arch/x86/kvm/kvm.ko] undefined!
ERROR: modpost: "mem_cgroup_hugetlb_try_charge" [arch/x86/kvm/kvm.ko] undefined!
ERROR: modpost: "hugepage_subpool_get_pages" [arch/x86/kvm/kvm.ko] undefined!
>> ERROR: modpost: "mem_cgroup_cancel_charge" [arch/x86/kvm/kvm.ko] undefined!
WARNING: modpost: suppressed 18 unresolved symbol warnings because there were too many)

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