Hi Pingfan, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.0-rc4] [cannot apply to next-20190222] [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/Pingfan-Liu/mm-numa-extract-the-code-of-building-node-fall-back-list/20190225-143613 config: i386-randconfig-a1-201908 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): ld: mm/memblock.o: in function `memblock_build_node_order': >> mm/memblock.c:1364: undefined reference to `build_node_order' vim +1364 mm/memblock.c 1342 1343 /* 1344 * build_node_order() relies on cpumask_of_node(), hence arch should set up 1345 * cpumask before calling this func. 1346 */ 1347 void __init memblock_build_node_order(void) 1348 { 1349 int nid, i; 1350 nodemask_t used_mask; 1351 1352 node_fallback = memblock_alloc(MAX_NUMNODES * sizeof(int *), 1353 sizeof(int *)); 1354 for_each_online_node(nid) { 1355 node_fallback[nid] = memblock_alloc( 1356 num_online_nodes() * sizeof(int), sizeof(int)); 1357 for (i = 0; i < num_online_nodes(); i++) 1358 node_fallback[nid][i] = NUMA_NO_NODE; 1359 } 1360 1361 for_each_online_node(nid) { 1362 nodes_clear(used_mask); 1363 node_set(nid, used_mask); > 1364 build_node_order(node_fallback[nid], num_online_nodes(), 1365 nid, &used_mask); 1366 } 1367 } 1368 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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