Re: [PATCH 3/3] percpu: improve allocation success rate for non-GFP_KERNEL callers
From: kbuild test robot
Date: Sat Feb 25 2017 - 19:48:56 EST
Hi Tahsin,
[auto build test ERROR on mmotm/master]
[also build test ERROR on v4.10 next-20170224]
[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/Tahsin-Erdogan/percpu-remove-unused-chunk_alloc-parameter-from-pcpu_get_pages/20170226-052515
base: git://git.cmpxchg.org/linux-mmotm.git master
config: blackfin-BF561-EZKIT-SMP_defconfig (attached as .config)
compiler: bfin-uclinux-gcc (GCC) 6.2.0
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=blackfin
All errors (new ones prefixed by >>):
mm/built-in.o: In function `pcpu_mem_zalloc':
>> mm/percpu.c:314: undefined reference to `vmalloc_gfp'
vim +314 mm/percpu.c
308 if (WARN_ON_ONCE(!slab_is_available()))
309 return NULL;
310
311 if (size <= PAGE_SIZE)
312 return kzalloc(size, gfp);
313 else
> 314 return vmalloc_gfp(size, gfp | __GFP_HIGHMEM | __GFP_ZERO);
315 }
316
317 /**
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