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SubjectRe: [PATCH 10/21] MIPS memblock: Discard bootmem allocator initialization
Hi Serge,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.9 next-20161216]
[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/Serge-Semin/MIPS-memblock-Remove-bootmem-code-and-switch-to-NO_BOOTMEM/20161219-105045
config: mips-allyesconfig (attached as .config)
compiler: mips-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
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=mips

All errors (new ones prefixed by >>):

arch/mips/kernel/setup.c: In function 'mips_reserve_elfcorehdr':
arch/mips/kernel/setup.c:540:7: error: implicit declaration of function 'is_vmcore_usable' [-Werror=implicit-function-declaration]
if (!is_vmcore_usable())
^~~~~~~~~~~~~~~~
arch/mips/kernel/setup.c:544:6: error: 'elfcorehdr_addr' undeclared (first use in this function)
if (elfcorehdr_addr + elfcorehdr_size >= mips_lowmem_limit) {
^~~~~~~~~~~~~~~
arch/mips/kernel/setup.c:544:6: note: each undeclared identifier is reported only once for each function it appears in
arch/mips/kernel/setup.c:544:24: error: 'elfcorehdr_size' undeclared (first use in this function)
if (elfcorehdr_addr + elfcorehdr_size >= mips_lowmem_limit) {
^~~~~~~~~~~~~~~
In file included from include/linux/kernel.h:13:0,
from include/asm-generic/bug.h:13,
from arch/mips/include/asm/bug.h:41,
from include/linux/bug.h:4,
from include/linux/mmdebug.h:4,
from include/linux/mm.h:8,
from include/linux/memblock.h:18,
from arch/mips/kernel/setup.c:17:
arch/mips/kernel/setup.c: In function 'find_pfn_limits':
>> arch/mips/kernel/setup.c:644:29: error: 'highstart_pfn' undeclared (first use in this function)
min_low_pfn, max_low_pfn, highstart_pfn, highend_pfn, max_pfn);
^
include/linux/printk.h:299:34: note: in definition of macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~~
>> arch/mips/kernel/setup.c:644:44: error: 'highend_pfn' undeclared (first use in this function)
min_low_pfn, max_low_pfn, highstart_pfn, highend_pfn, max_pfn);
^
include/linux/printk.h:299:34: note: in definition of macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~~
cc1: some warnings being treated as errors

vim +/highstart_pfn +644 arch/mips/kernel/setup.c

638 #ifdef CONFIG_HIGHMEM
639 highstart_pfn = max_low_pfn;
640 highend_pfn = max_pfn <= highstart_pfn ? highstart_pfn : max_pfn;
641 #endif
642 pr_info("PFNs: low min %lu, low max %lu, high start %lu, high end %lu,"
643 "max %lu\n",
> 644 min_low_pfn, max_low_pfn, highstart_pfn, highend_pfn, max_pfn);
645 }
646
647 /*

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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