tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git mm/apply-to-page-range head: f32af578d07ff79eb8219eca3089ebc6c923bd05 commit: 92f2a33766e7de7a93031322e7ff7650ccd84276 [7/8] mm: Unexport apply_to_page_range() config: i386-randconfig-r006-20210419 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?... git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue mm/apply-to-page-range git checkout 92f2a33766e7de7a93031322e7ff7650ccd84276 # save the attached .config to linux build tree make W=1 W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org