linux-kernel - Re: [PATCH 2/2] mm,fork: introduce MADV

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Message-ID: <201708142327.1rgFYjvE%fengguang.wu@intel.com>
Date:   Mon, 14 Aug 2017 23:45:15 +0800
From:   kbuild test robot <lkp@...el.com>
To:     riel@...hat.com
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, fweimer@...hat.com, colm@...costs.net,
        akpm@...ux-foundation.org, rppt@...ux.vnet.ibm.com,
        keescook@...omium.org, luto@...capital.net, wad@...omium.org,
        mingo@...nel.org
Subject: Re: [PATCH 2/2] mm,fork: introduce MADV_WIPEONFORK

Hi Rik,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.13-rc5]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/riel-redhat-com/mm-fork-security-introduce-MADV_WIPEONFORK/20170806-035914
config: m68k-sun3_defconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 4.9.0
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=m68k 

All errors (new ones prefixed by >>):

   In file included from mm/debug.c:12:0:
>> include/trace/events/mmflags.h:131:31: error: 'VM_ARCH_2' undeclared here (not in a function)
    #define __VM_ARCH_SPECIFIC_2 {VM_ARCH_2, "arch_2" }
                                  ^
   include/trace/events/mmflags.h:165:2: note: in expansion of macro '__VM_ARCH_SPECIFIC_2'
     __VM_ARCH_SPECIFIC_2    ,  \
     ^
   mm/debug.c:39:2: note: in expansion of macro '__def_vmaflag_names'
     __def_vmaflag_names,
     ^

vim +/VM_ARCH_2 +131 include/trace/events/mmflags.h

bcf669179 Kirill A. Shutemov 2016-03-17  127  
bcf669179 Kirill A. Shutemov 2016-03-17  128  #if defined(CONFIG_X86)
bcf669179 Kirill A. Shutemov 2016-03-17  129  #define __VM_ARCH_SPECIFIC_2 {VM_MPX,		"mpx"		}
bcf669179 Kirill A. Shutemov 2016-03-17  130  #else
bcf669179 Kirill A. Shutemov 2016-03-17 @131  #define __VM_ARCH_SPECIFIC_2 {VM_ARCH_2,	"arch_2"	}
420adbe9f Vlastimil Babka    2016-03-15  132  #endif
420adbe9f Vlastimil Babka    2016-03-15  133  

:::::: The code at line 131 was first introduced by commit
:::::: bcf6691797f425b301f629bb783b7ff2d0bcfa5a mm, tracing: refresh __def_vmaflag_names

:::::: TO: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>

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

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