On Thu, May 14, 2020 at 09:25:36AM +0800, kbuild test robot wrote:
tree:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: e098d7762d602be640c53565ceca342f81e55ad2
commit: 157f1f138544760477af362159d2ecd4ad41bd8c [8047/8703] mm: memcontrol: switch to
native NR_ANON_THPS counter
config: x86_64-randconfig-a016-20200513 (attached as .config)
compiler: clang version 11.0.0 (
https://github.com/llvm/llvm-project
310d32cb80a611e6384a921e85607fea05841f26)
reproduce:
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
git checkout 157f1f138544760477af362159d2ecd4ad41bd8c
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
>> ld.lld: error: undefined symbol: __compiletime_assert_457
>>> referenced by memcontrol.c:1406 (mm/memcontrol.c:1406)
>>> memcontrol.o:(memory_stat_format) in archive mm/built-in.a
That's the HPAGE_PMD_NR on !CONFIG_TRANSPARENT_HUGEPAGE. Fix:
https://lore.kernel.org/linux-mm/20200512121750.GA397968@cmpxchg.org/