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From: kbuild test robot <lkp@intel.com>
To: Yury Norov <yury.norov@gmail.com>
Cc: kbuild-all@01.org, Johannes Weiner <hannes@cmpxchg.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux Memory Management List <linux-mm@kvack.org>
Subject: [liu-song6-linux:uprobe-thp 138/185] fs/ocfs2/dlm/dlmcommon.h:709:0: warning: "BITS_TO_BYTES" redefined
Date: Wed, 29 May 2019 09:26:14 +0800	[thread overview]
Message-ID: <201905290906.79L77KKO%lkp@intel.com> (raw)

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tree:   https://github.com/liu-song-6/linux.git uprobe-thp
head:   757cb898eb3096f4ed9487b503748d6e3a4d3332
commit: fda08ae863e2fe70adced116d0d7f2ab3b75f219 [138/185] bitops: more BITS_TO_* macros
config: x86_64-lkp (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        git checkout fda08ae863e2fe70adced116d0d7f2ab3b75f219
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from fs/ocfs2/dlm/dlmdomain.c:43:0:
>> fs/ocfs2/dlm/dlmcommon.h:709:0: warning: "BITS_TO_BYTES" redefined
    #define BITS_TO_BYTES(bits) (((bits)+BITS_PER_BYTE-1)/BITS_PER_BYTE)
    
   In file included from include/linux/kernel.h:12:0,
                    from include/linux/list.h:9,
                    from include/linux/module.h:9,
                    from fs/ocfs2/dlm/dlmdomain.c:27:
   include/linux/bitops.h:11:0: note: this is the location of the previous definition
    #define BITS_TO_BYTES(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(char))
    

vim +/BITS_TO_BYTES +709 fs/ocfs2/dlm/dlmcommon.h

6714d8e8 Kurt Hackel   2005-12-15  706  
6714d8e8 Kurt Hackel   2005-12-15  707  
1faf2894 Srinivas Eeda 2007-01-29  708  #define BITS_PER_BYTE 8
1faf2894 Srinivas Eeda 2007-01-29 @709  #define BITS_TO_BYTES(bits) (((bits)+BITS_PER_BYTE-1)/BITS_PER_BYTE)
1faf2894 Srinivas Eeda 2007-01-29  710  

:::::: The code at line 709 was first introduced by commit
:::::: 1faf289454b9eeb6e463da3eee47f7009668370d ocfs2_dlm: disallow a domain join if node maps mismatch

:::::: TO: Srinivas Eeda <srinivas.eeda@oracle.com>
:::::: CC: Mark Fasheh <mark.fasheh@oracle.com>

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

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                 reply	other threads:[~2019-05-29  1:27 UTC|newest]

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