linux-kernel - Re: [PATCH] mm, vmscan: consider eligible zones in get_scan

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Date:   Wed, 28 Dec 2016 00:28:38 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     kbuild-all@...org, Nils Holland <nholland@...ys.org>,
        Mel Gorman <mgorman@...e.de>,
        Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Chris Mason <clm@...com>, David Sterba <dsterba@...e.cz>,
        linux-btrfs@...r.kernel.org
Subject: Re: [PATCH] mm, vmscan: consider eligible zones in get_scan_count

Hi Michal,

[auto build test ERROR on mmotm/master]
[also build test ERROR on v4.10-rc1 next-20161224]
[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/Michal-Hocko/mm-vmscan-consider-eligible-zones-in-get_scan_count/20161228-000917
base:   git://git.cmpxchg.org/linux-mmotm.git master
config: i386-tinyconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   mm/vmscan.c: In function 'lruvec_lru_size_zone_idx':
>> mm/vmscan.c:264:10: error: implicit declaration of function 'lruvec_zone_lru_size' [-Werror=implicit-function-declaration]
      size = lruvec_zone_lru_size(lruvec, lru, zid);
             ^~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/lruvec_zone_lru_size +264 mm/vmscan.c

   258			struct zone *zone = &pgdat->node_zones[zid];
   259			unsigned long size;
   260	
   261			if (!managed_zone(zone))
   262				continue;
   263	
 > 264			size = lruvec_zone_lru_size(lruvec, lru, zid);
   265			lru_size -= min(size, lru_size);
   266		}
   267	

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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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