linux-kernel - Re: [PATCH V2 2/2] mm: Add sysfs interface to dump each node's zonelist information

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Date:   Tue, 6 Sep 2016 14:11:40 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Cc:     kbuild-all@...org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [PATCH V2 2/2] mm: Add sysfs interface to dump each node's
 zonelist information

Hi Anshuman,

[auto build test ERROR on mmotm/master]
[also build test ERROR on v4.8-rc5 next-20160905]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/Anshuman-Khandual/mm-Export-definition-of-zone_names-array-through-mmzone-h/20160906-133749
base:   git://git.cmpxchg.org/linux-mmotm.git master
config: x86_64-randconfig-x013-201636 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/base/memory.c: In function 'dump_zonelists':
>> drivers/base/memory.c:474:20: error: 'ZONELIST_NOFALLBACK' undeclared (first use in this function)
        node_zonelists[ZONELIST_NOFALLBACK]);
                       ^~~~~~~~~~~~~~~~~~~
   drivers/base/memory.c:474:20: note: each undeclared identifier is reported only once for each function it appears in

vim +/ZONELIST_NOFALLBACK +474 drivers/base/memory.c

   468					node_zonelists[ZONELIST_FALLBACK]);
   469			count += sprintf(buf + count, "[NODE (%d)]\n", node);
   470			count += sprintf(buf + count, "\tZONELIST_FALLBACK\n");
   471			count += dump_zonelist(buf + count, zonelist);
   472	
   473			zonelist = &(NODE_DATA(node)->
 > 474					node_zonelists[ZONELIST_NOFALLBACK]);
   475			count += sprintf(buf + count, "\tZONELIST_NOFALLBACK\n");
   476			count += dump_zonelist(buf + count, zonelist);
   477		}

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Download attachment ".config.gz" of type "application/octet-stream" (25727 bytes)