tree: git://git.cmpxchg.org/linux-mmotm.git master
head: a4186de8d65ec2ca6c39070ef1d6795a0b4ffe04
commit: 143cfc886d8275787a78aca1b2aa6053a1f00d3c [293/305] treewide: add checks for the return value of memblock_alloc*()
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-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 143cfc886d8275787a78aca1b2aa6053a1f00d3c
# save the attached .config to linux build tree
GCC_VERSION=8.2.0 make.cross ARCH=arm64
All warnings (new ones prefixed by >>):
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 'long long unsigned int' [-Wformat=]
panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%lx\n",
~~^
%llx
vim +440 mm/sparse.c
431
432 static void __init sparse_buffer_init(unsigned long size, int nid)
433 {
434 WARN_ON(sparsemap_buf); /* forgot to call sparse_buffer_fini()? */
435 sparsemap_buf =
436 memblock_alloc_try_nid_raw(size, PAGE_SIZE,
437 __pa(MAX_DMA_ADDRESS),
438 MEMBLOCK_ALLOC_ACCESSIBLE, nid);
439 if (!sparsemap_buf)
> 440 panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%lx\n",
441 __func__, size, PAGE_SIZE, nid, __pa(MAX_DMA_ADDRESS));
442
443 sparsemap_buf_end = sparsemap_buf + size;
444 }
445
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0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
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