Hi Dan, I love your patch! Yet something to improve: [auto build test ERROR on powerpc/next] [cannot apply to v5.4-rc6 next-20191108] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Dan-Williams/Memory-Hierarchy-Enable-target-node-lookups-for-reserved-memory/20191109-080607 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: x86_64-randconfig-d002-201944 (attached as .config) compiler: gcc-7 (Debian 7.4.0-14) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ld: drivers/nvdimm/e820.o: in function `e820_register_one': >> drivers/nvdimm/e820.c:27: undefined reference to `numa_map_to_online_node' vim +27 drivers/nvdimm/e820.c 18 19 static int e820_register_one(struct resource *res, void *data) 20 { 21 struct nd_region_desc ndr_desc; 22 struct nvdimm_bus *nvdimm_bus = data; 23 int nid = memory_add_physaddr_to_target_node(res->start); 24 25 memset(&ndr_desc, 0, sizeof(ndr_desc)); 26 ndr_desc.res = res; > 27 ndr_desc.numa_node = numa_map_to_online_node(nid); 28 ndr_desc.target_node = nid; 29 set_bit(ND_REGION_PAGEMAP, &ndr_desc.flags); 30 if (!nvdimm_pmem_region_create(nvdimm_bus, &ndr_desc)) 31 return -ENXIO; 32 return 0; 33 } 34 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
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