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

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Date:   Mon, 19 Apr 2021 23:43:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Youling Tang <tangyouling@...ngson.cn>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc:     kbuild-all@...ts.01.org, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jinyang He <hejinyang@...ngson.cn>
Subject: Re: [PATCH] MIPS: Fix cmdline "mem=" parameter parsing

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@...el.com>

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@lists.01.org

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