tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 9fe36dd579c794ae5f1c236293c55fb6847e9654 commit: 1c3c9328cde027eb875ba4692f0a5d66b0afe862 [5353/5361] treewide: add checks for the return value of memblock_alloc*() config: arm-pleb_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 8.2.0-11) 8.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 1c3c9328cde027eb875ba4692f0a5d66b0afe862 # save the attached .config to linux build tree GCC_VERSION=8.2.0 make.cross ARCH=arm All warnings (new ones prefixed by >>): mm/sparse.c: In function 'sparse_mem_map_populate': >> mm/sparse.c:422:69: warning: format '%lx' expects argument of type 'long unsigned int', but argument 6 has type 'phys_addr_t' {aka 'unsigned int'} [-Wformat=] panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%lx\n", ~~^ %x mm/sparse.c: In function 'sparse_buffer_init': mm/sparse.c:440:69: warning: format '%lx' expects argument of type 'long unsigned int', but argument 6 has type 'phys_addr_t' {aka 'unsigned int'} [-Wformat=] panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%lx\n", ~~^ %x vim +422 mm/sparse.c 408 409 struct page __init *sparse_mem_map_populate(unsigned long pnum, int nid, 410 struct vmem_altmap *altmap) 411 { 412 unsigned long size = section_map_size(); 413 struct page *map = sparse_buffer_alloc(size); 414 415 if (map) 416 return map; 417 418 map = memblock_alloc_try_nid(size, 419 PAGE_SIZE, __pa(MAX_DMA_ADDRESS), 420 MEMBLOCK_ALLOC_ACCESSIBLE, nid); 421 if (!map) > 422 panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%lx\n", 423 __func__, size, PAGE_SIZE, nid, __pa(MAX_DMA_ADDRESS)); 424 425 return map; 426 } 427 #endif /* !CONFIG_SPARSEMEM_VMEMMAP */ 428 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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