linux-kernel - Re: [PATCH 10/10] mm: balance LRU lists based on relative thrashing

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Date:	Tue, 7 Jun 2016 03:22:23 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Johannes Weiner <hannes@...xchg.org>
Cc:	kbuild-all@...org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>, Mel Gorman <mgorman@...e.de>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Andi Kleen <andi@...stfloor.org>,
	Michal Hocko <mhocko@...e.cz>,
	Tim Chen <tim.c.chen@...ux.intel.com>, kernel-team@...com
Subject: Re: [PATCH 10/10] mm: balance LRU lists based on relative thrashing

Hi,

[auto build test ERROR on cifs/for-next]
[also build test ERROR on v4.7-rc2 next-20160606]
[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/Johannes-Weiner/mm-balance-LRU-lists-based-on-relative-thrashing/20160607-035348
base:   git://git.samba.org/sfrench/cifs-2.6.git for-next
config: s390-default_defconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=s390 

All errors (new ones prefixed by >>):

   mm/migrate.c: In function 'migrate_misplaced_transhuge_page':
>> mm/migrate.c:1814:7: error: implicit declaration of function 'TestClearPageWorkingset' [-Werror=implicit-function-declaration]
      if (TestClearPageWorkingset(new_page))
          ^
   cc1: some warnings being treated as errors

vim +/TestClearPageWorkingset +1814 mm/migrate.c

  1808		if (unlikely(!pmd_same(*pmd, entry) || page_count(page) != 2)) {
  1809	fail_putback:
  1810			spin_unlock(ptl);
  1811			mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);
  1812	
  1813			/* Reverse changes made by migrate_page_copy() */
> 1814			if (TestClearPageWorkingset(new_page))
  1815				ClearPageWorkingset(page);
  1816			if (TestClearPageActive(new_page))
  1817				SetPageActive(page);

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

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