Hi Scott, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on powerpc/next] [also build test WARNING on next-20200910] [cannot apply to v5.9-rc4] [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/Scott-Cheloha/pseries-hotplug-memory-hot-add-skip-redundant-LMB-lookup/20200911-015744 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-allyesconfig (attached as .config) compiler: powerpc64-linux-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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>): >> arch/powerpc/mm/numa.c:433:5: warning: no previous prototype for >> 'of_drconf_to_nid_single' [-Wmissing-prototypes] 433 | int of_drconf_to_nid_single(struct drmem_lmb *lmb) | ^~~~~~~~~~~~~~~~~~~~~~~ # https://github.com/0day-ci/linux/commit/e6847f3f58460841a28885578cc3547735cfa50c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Scott-Cheloha/pseries-hotplug-memory-hot-add-skip-redundant-LMB-lookup/20200911-015744 git checkout e6847f3f58460841a28885578cc3547735cfa50c vim +/of_drconf_to_nid_single +433 arch/powerpc/mm/numa.c 428 429 /* 430 * This is like of_node_to_nid_single() for memory represented in the 431 * ibm,dynamic-reconfiguration-memory node. 432 */ > 433 int of_drconf_to_nid_single(struct drmem_lmb *lmb) 434 { 435 struct assoc_arrays aa = { .arrays = NULL }; 436 int default_nid = NUMA_NO_NODE; 437 int nid = default_nid; 438 int rc, index; 439 440 if ((min_common_depth < 0) || !numa_enabled) 441 return default_nid; 442 443 rc = of_get_assoc_arrays(&aa); 444 if (rc) 445 return default_nid; 446 447 if (min_common_depth <= aa.array_sz && 448 !(lmb->flags & DRCONF_MEM_AI_INVALID) && lmb->aa_index < aa.n_arrays) { 449 index = lmb->aa_index * aa.array_sz + min_common_depth - 1; 450 nid = of_read_number(&aa.arrays[index], 1); 451 452 if (nid == 0xffff || nid >= nr_node_ids) 453 nid = default_nid; 454 455 if (nid > 0) { 456 index = lmb->aa_index * aa.array_sz; 457 initialize_distance_lookup_table(nid, 458 &aa.arrays[index]); 459 } 460 } 461 462 return nid; 463 } 464 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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