Hi Chuck, I love your patch! Yet something to improve: [auto build test ERROR on nfs/linux-next] [also build test ERROR on v5.11 next-20210222] [cannot apply to nfsd/nfsd-next hnaz-linux-mm/master] [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] url: https://github.com/0day-ci/linux/commits/Chuck-Lever/Reduce-page-allocator-traffic-caused-by-NFSD/20210222-232552 base: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next config: arm-defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/b96e9fc08f8c7bd4c85a2f60171fdd344643580f git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Chuck-Lever/Reduce-page-allocator-traffic-caused-by-NFSD/20210222-232552 git checkout b96e9fc08f8c7bd4c85a2f60171fdd344643580f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: net/sunrpc/svc_xprt.o: in function `svc_recv': >> svc_xprt.c:(.text+0x1c9c): undefined reference to `__alloc_pages_bulk_nodemask' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org