Re: [PATCH v3 1/4] MIPS: Refactor early_parse_mem() to fix mem= parameter

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Hi Tiezhu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on hnaz-mm/master]
[also build test WARNING on linus/master v5.17-rc6 next-20220225]
[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/Tiezhu-Yang/MIPS-Modify-mem-and-memmap-parameter/20220228-212554
base:   https://github.com/hnaz/linux-mm master
config: mips-randconfig-r025-20220228 (https://download.01.org/0day-ci/archive/20220228/202202282330.uO0sH1Bk-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
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
        # install mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://github.com/0day-ci/linux/commit/8e3bd7f4c0a4003c328ef2d816454dd50810b974
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Tiezhu-Yang/MIPS-Modify-mem-and-memmap-parameter/20220228-212554
        git checkout 8e3bd7f4c0a4003c328ef2d816454dd50810b974
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash arch/mips/kernel/

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

All warnings (new ones prefixed by >>):

>> arch/mips/kernel/setup.c:350:42: warning: format specifies type 'long long' but the argument has type 'phys_addr_t' (aka 'unsigned int') [-Wformat]
           pr_notice("Memory limited to %lldMB\n", memory_limit >> 20);
                                        ~~~~       ^~~~~~~~~~~~~~~~~~
                                        %u
   include/linux/printk.h:509:36: note: expanded from macro 'pr_notice'
           printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
                                     ~~~     ^~~~~~~~~~~
   include/linux/printk.h:446:60: note: expanded from macro 'printk'
   #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
                                                       ~~~    ^~~~~~~~~~~
   include/linux/printk.h:418:19: note: expanded from macro 'printk_index_wrap'
                   _p_func(_fmt, ##__VA_ARGS__);                           \
                           ~~~~    ^~~~~~~~~~~
   1 warning generated.


vim +350 arch/mips/kernel/setup.c

   343	
   344	static int __init early_parse_mem(char *p)
   345	{
   346		if (!p)
   347			return 1;
   348	
   349		memory_limit = memparse(p, &p) & PAGE_MASK;
 > 350		pr_notice("Memory limited to %lldMB\n", memory_limit >> 20);
   351	
   352		return 0;
   353	}
   354	early_param("mem", early_parse_mem);
   355	

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




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