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: mips-allmodconfig (attached as .config) compiler: mips-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=mips All error/warnings (new ones prefixed by >>): mm/page_alloc.c: In function 'alloc_large_system_hash': >> mm/page_alloc.c:7369:13: error: implicit declaration of function 'memblock_virt_alloc_raw' [-Werror=implicit-function-declaration] table = memblock_virt_alloc_raw(size, 0); ^~~~~~~~~~~~~~~~~~~~~~~ >> mm/page_alloc.c:7369:11: warning: assignment makes pointer from integer without a cast [-Wint-conversion] table = memblock_virt_alloc_raw(size, 0); ^ cc1: some warnings being treated as errors vim +/memblock_virt_alloc_raw +7369 mm/page_alloc.c 7328 7329 /* limit to 1 bucket per 2^scale bytes of low memory */ 7330 if (scale > PAGE_SHIFT) 7331 numentries >>= (scale - PAGE_SHIFT); 7332 else 7333 numentries <<= (PAGE_SHIFT - scale); 7334 7335 /* Make sure we've got at least a 0-order allocation.. */ 7336 if (unlikely(flags & HASH_SMALL)) { 7337 /* Makes no sense without HASH_EARLY */ 7338 WARN_ON(!(flags & HASH_EARLY)); 7339 if (!(numentries >> *_hash_shift)) { 7340 numentries = 1UL << *_hash_shift; 7341 BUG_ON(!numentries); 7342 } 7343 } else if (unlikely((numentries * bucketsize) < PAGE_SIZE)) 7344 numentries = PAGE_SIZE / bucketsize; 7345 } 7346 numentries = roundup_pow_of_two(numentries); 7347 7348 /* limit allocation size to 1/16 total memory by default */ 7349 if (max == 0) { 7350 max = ((unsigned long long)nr_all_pages << PAGE_SHIFT) >> 4; 7351 do_div(max, bucketsize); 7352 } 7353 max = min(max, 0x80000000ULL); 7354 7355 if (numentries < low_limit) 7356 numentries = low_limit; 7357 if (numentries > max) 7358 numentries = max; 7359 7360 log2qty = ilog2(numentries); 7361 7362 gfp_flags = (flags & HASH_ZERO) ? GFP_ATOMIC | __GFP_ZERO : GFP_ATOMIC; 7363 do { 7364 size = bucketsize << log2qty; 7365 if (flags & HASH_EARLY) { 7366 if (flags & HASH_ZERO) 7367 table = memblock_virt_alloc_nopanic(size, 0); 7368 else > 7369 table = memblock_virt_alloc_raw(size, 0); 7370 } else if (hashdist) { 7371 table = __vmalloc(size, gfp_flags, PAGE_KERNEL); 7372 } else { 7373 /* 7374 * If bucketsize is not a power-of-two, we may free 7375 * some pages at the end of hash table which 7376 * alloc_pages_exact() automatically does 7377 */ 7378 if (get_order(size) < MAX_ORDER) { 7379 table = alloc_pages_exact(size, gfp_flags); 7380 kmemleak_alloc(table, size, 1, gfp_flags); 7381 } 7382 } 7383 } while (!table && size > PAGE_SIZE && --log2qty); 7384 7385 if (!table) 7386 panic("Failed to allocate %s hash table\n", tablename); 7387 7388 pr_info("%s hash table entries: %ld (order: %d, %lu bytes)\n", 7389 tablename, 1UL << log2qty, ilog2(size) - PAGE_SHIFT, size); 7390 7391 if (_hash_shift) 7392 *_hash_shift = log2qty; 7393 if (_hash_mask) 7394 *_hash_mask = (1 << log2qty) - 1; 7395 7396 return table; 7397 } 7398 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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