Hi Pavel, [auto build test ERROR on mmotm/master] [also build test ERROR on v4.13-rc3] [cannot apply to next-20170802] [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/Pavel-Tatashin/complete-deferred-page-initialization/20170803-081025 base: git://git.cmpxchg.org/linux-mmotm.git master config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=sh All error/warnings (new ones prefixed by >>): mm/sparse.c: In function 'sparse_mem_maps_populate_node': >> mm/sparse.c:444:8: error: implicit declaration of function 'memblock_virt_alloc_try_nid_raw' [-Werror=implicit-function-declaration] map = memblock_virt_alloc_try_nid_raw(size * map_count, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> mm/sparse.c:444:6: warning: assignment makes pointer from integer without a cast [-Wint-conversion] map = memblock_virt_alloc_try_nid_raw(size * map_count, ^ cc1: some warnings being treated as errors vim +/memblock_virt_alloc_try_nid_raw +444 mm/sparse.c 406 407 #ifndef CONFIG_SPARSEMEM_VMEMMAP 408 struct page __init *sparse_mem_map_populate(unsigned long pnum, int nid) 409 { 410 struct page *map; 411 unsigned long size; 412 413 map = alloc_remap(nid, sizeof(struct page) * PAGES_PER_SECTION); 414 if (map) 415 return map; 416 417 size = PAGE_ALIGN(sizeof(struct page) * PAGES_PER_SECTION); 418 map = memblock_virt_alloc_try_nid(size, 419 PAGE_SIZE, __pa(MAX_DMA_ADDRESS), 420 BOOTMEM_ALLOC_ACCESSIBLE, nid); 421 return map; 422 } 423 void __init sparse_mem_maps_populate_node(struct page **map_map, 424 unsigned long pnum_begin, 425 unsigned long pnum_end, 426 unsigned long map_count, int nodeid) 427 { 428 void *map; 429 unsigned long pnum; 430 unsigned long size = sizeof(struct page) * PAGES_PER_SECTION; 431 432 map = alloc_remap(nodeid, size * map_count); 433 if (map) { 434 for (pnum = pnum_begin; pnum < pnum_end; pnum++) { 435 if (!present_section_nr(pnum)) 436 continue; 437 map_map[pnum] = map; 438 map += size; 439 } 440 return; 441 } 442 443 size = PAGE_ALIGN(size); > 444 map = memblock_virt_alloc_try_nid_raw(size * map_count, 445 PAGE_SIZE, __pa(MAX_DMA_ADDRESS), 446 BOOTMEM_ALLOC_ACCESSIBLE, nodeid); 447 if (map) { 448 for (pnum = pnum_begin; pnum < pnum_end; pnum++) { 449 if (!present_section_nr(pnum)) 450 continue; 451 map_map[pnum] = map; 452 map += size; 453 } 454 return; 455 } 456 457 /* fallback */ 458 for (pnum = pnum_begin; pnum < pnum_end; pnum++) { 459 struct mem_section *ms; 460 461 if (!present_section_nr(pnum)) 462 continue; 463 map_map[pnum] = sparse_mem_map_populate(pnum, nodeid); 464 if (map_map[pnum]) 465 continue; 466 ms = __nr_to_section(pnum); 467 pr_err("%s: sparsemem memory map backing failed some memory will not be available\n", 468 __func__); 469 ms->section_mem_map = 0; 470 } 471 } 472 #endif /* !CONFIG_SPARSEMEM_VMEMMAP */ 473 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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