[mst-vhost:balloon 12/38] ld.lld: error: undefined symbol: folio_zero_user

[mst-vhost:balloon 12/38] ld.lld: error: undefined symbol: folio_zero_user

[kernel test robot]

Hi Michael,

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/mst/vhost.git balloon
head:   b145636d693114d343a0a47a4400f5b31e211fec
commit: c4af912c65bc897b31264a3403f18b0cf52fa10c [12/38] mm: use folio_zero_user for user pages in post_alloc_hook
config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20260605/202606050942.HHhnHpHF-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 7917772d7d61384696c61102c08c2ea158e610fa)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260605/202606050942.HHhnHpHF-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/202606050942.HHhnHpHF-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: folio_zero_user
   >>> referenced by page_alloc.c
   >>>               mm/page_alloc.o:(post_alloc_hook) in archive vmlinux.a
   >>> referenced by page_alloc.c
   >>>               mm/page_alloc.o:(get_page_from_freelist) in archive vmlinux.a

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