Re: [v3 3/9] mm: add "zero" argument to vmemmap allocators

From: kbuild test robot
Date: Sat May 13 2017 - 15:17:38 EST


Hi Pavel,

[auto build test ERROR on mmotm/master]
[also build test ERROR on next-20170512]
[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/parallelized-struct-page-zeroing/20170507-061412
base: git://git.cmpxchg.org/linux-mmotm.git master
config: ia64-gensparse_defconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
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=ia64

All error/warnings (new ones prefixed by >>):

mm/sparse-vmemmap.c: In function '__earlyonly_bootmem_alloc':
>> mm/sparse-vmemmap.c:45:14: error: implicit declaration of function 'memblock_virt_alloc_try_nid_raw' [-Werror=implicit-function-declaration]
void *mem = memblock_virt_alloc_try_nid_raw(size, align, goal,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> mm/sparse-vmemmap.c:45:14: warning: initialization makes pointer from integer without a cast [-Wint-conversion]
cc1: some warnings being treated as errors

vim +/memblock_virt_alloc_try_nid_raw +45 mm/sparse-vmemmap.c

39 static void * __ref __earlyonly_bootmem_alloc(int node,
40 unsigned long size,
41 unsigned long align,
42 unsigned long goal,
43 bool zero)
44 {
> 45 void *mem = memblock_virt_alloc_try_nid_raw(size, align, goal,
46 BOOTMEM_ALLOC_ACCESSIBLE,
47 node);
48 if (!mem) {

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