Hi Waiman, Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master] [also build test ERROR on v4.20-rc7 next-20181218] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Waiman-Long/include-linux-nodemask-h-Use-nr_node_ids-not-MAX_NUMNODES-in-__nodemask_pr_numnodes/20181219-110121 config: arm-omap2plus_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=arm All errors (new ones prefixed by >>): kernel/cgroup/cpuset.o: In function `cpuset_common_seq_show': >> cpuset.c:(.text+0xe2c): undefined reference to `nr_node_ids' kernel/cgroup/cpuset.o: In function `cpuset_print_current_mems_allowed': cpuset.c:(.text+0x4624): undefined reference to `nr_node_ids' kernel/cgroup/cpuset.o: In function `cpuset_task_status_allowed': cpuset.c:(.text+0x4d5c): undefined reference to `nr_node_ids' mm/oom_kill.o: In function `dump_header': oom_kill.c:(.text.unlikely+0x3c4): undefined reference to `nr_node_ids' mm/page_alloc.o: In function `warn_alloc': page_alloc.c:(.text+0x4ae0): undefined reference to `nr_node_ids' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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