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

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Message-ID: <201708060337.9qVYw7DU%fengguang.wu@intel.com>
Date:   Sun, 6 Aug 2017 03:33:06 +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-rc3 next-20170804]
[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/x86-mpx-make-mpx-depend-on-x86-64-to-free-up-VMA-flag/20170806-011851
config: tile-allmodconfig (attached as .config)
compiler: tilegx-linux-gcc (GCC) 4.6.2
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=tile 

All errors (new ones prefixed by >>):

>> mm/debug.c:39:2: error: 'VM_ARCH_2' undeclared here (not in a function)

vim +/VM_ARCH_2 +39 mm/debug.c

420adbe9f Vlastimil Babka 2016-03-15  37  
edf14cdbf Vlastimil Babka 2016-03-15  38  const struct trace_print_flags vmaflag_names[] = {
edf14cdbf Vlastimil Babka 2016-03-15 @39  	__def_vmaflag_names,
edf14cdbf Vlastimil Babka 2016-03-15  40  	{0, NULL}
82742a3a5 Sasha Levin     2014-10-09  41  };
82742a3a5 Sasha Levin     2014-10-09  42  

:::::: The code at line 39 was first introduced by commit
:::::: edf14cdbf9a0e5ab52698ca66d07a76ade0d5c46 mm, printk: introduce new format string for flags

:::::: TO: Vlastimil Babka <vbabka@...e.cz>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>

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

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