linux-kernel - arch/x86/mm/numa.c:925:5: warning: no previous prototype for function 'memory_add_physaddr_to

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Message-ID: <202007260428.y0AR4fWR%lkp@intel.com>
Date:   Sun, 26 Jul 2020 04:47:31 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dan Williams <dan.j.williams@...el.com>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>
Subject: arch/x86/mm/numa.c:925:5: warning: no previous prototype for
 function 'memory_add_physaddr_to_nid'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   23ee3e4e5bd27bdbc0f1785eef7209ce872794c7
commit: 7b27a8622f802761d5c6abd6c37b22312a35343c libnvdimm/e820: Retrieve and populate correct 'target_node' info
date:   5 months ago
config: x86_64-randconfig-a006-20200726 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 8bf4c1f4fb257774f66c8cda07adc6c5e8668326)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        git checkout 7b27a8622f802761d5c6abd6c37b22312a35343c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

>> arch/x86/mm/numa.c:925:5: warning: no previous prototype for function 'memory_add_physaddr_to_nid' [-Wmissing-prototypes]
   int memory_add_physaddr_to_nid(u64 start)
       ^
   arch/x86/mm/numa.c:925:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int memory_add_physaddr_to_nid(u64 start)
   ^
   static 
   1 warning generated.

vim +/memory_add_physaddr_to_nid +925 arch/x86/mm/numa.c

5d30f92e763128 Dan Williams 2020-02-16  924  
5d30f92e763128 Dan Williams 2020-02-16 @925  int memory_add_physaddr_to_nid(u64 start)

:::::: The code at line 925 was first introduced by commit
:::::: 5d30f92e7631286b8617777c5400c8eadcae50a1 x86/NUMA: Provide a range-to-target_node lookup facility

:::::: TO: Dan Williams <dan.j.williams@...el.com>
:::::: CC: Dan Williams <dan.j.williams@...el.com>

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

Download attachment ".config.gz" of type "application/gzip" (34703 bytes)