Re: [PATCH] MIPS: Fix cmdline "mem=" parameter parsing

From: kernel test robot
Date: Mon Apr 19 2021 - 11:44:34 EST


Hi Youling,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.12-rc8 next-20210419]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Youling-Tang/MIPS-Fix-cmdline-mem-parameter-parsing/20210419-185311
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git bf05bf16c76bb44ab5156223e1e58e26dfe30a88
config: mips-allyesconfig (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/c9cec6a7cf36ea04b1d8aca273a27e92007085e2
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Youling-Tang/MIPS-Fix-cmdline-mem-parameter-parsing/20210419-185311
git checkout c9cec6a7cf36ea04b1d8aca273a27e92007085e2
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=mips

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

arch/mips/kernel/setup.c: In function 'early_parse_mem':
>> arch/mips/kernel/setup.c:362:33: error: implicit declaration of function 'pa_to_nid'; did you mean 'page_to_nid'? [-Werror=implicit-function-declaration]
362 | memblock_add_node(start, size, pa_to_nid(start));
| ^~~~~~~~~
| page_to_nid
cc1: some warnings being treated as errors


vim +362 arch/mips/kernel/setup.c

342
343 static int __init early_parse_mem(char *p)
344 {
345 phys_addr_t start, size;
346
347 /*
348 * If a user specifies memory size, we
349 * blow away any automatically generated
350 * size.
351 */
352 if (usermem == 0) {
353 usermem = 1;
354 memblock_remove(memblock_start_of_DRAM(),
355 memblock_end_of_DRAM() - memblock_start_of_DRAM());
356 }
357 start = 0;
358 size = memparse(p, &p);
359 if (*p == '@')
360 start = memparse(p + 1, &p);
361
> 362 memblock_add_node(start, size, pa_to_nid(start));
363
364 return 0;
365 }
366 early_param("mem", early_parse_mem);
367

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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