linux-kernel - Re: [PATCH 2/2] UBIFS: Implement ->migratepage()

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Message-ID: <201604030814.CiDUBxi5%fengguang.wu@intel.com>
Date:	Sun, 3 Apr 2016 08:13:16 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Richard Weinberger <richard@....at>
Cc:	kbuild-all@...org, linux-fsdevel@...r.kernel.org,
	linux-mtd@...ts.infradead.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, boris.brezillon@...e-electrons.com,
	maxime.ripard@...e-electrons.com, david@...ma-star.at,
	david@...morbit.com, dedekind1@...il.com, alex@...tthing.co,
	akpm@...ux-foundation.org, sasha.levin@...cle.com,
	iamjoonsoo.kim@....com, rvaswani@...eaurora.org,
	tony.luck@...el.com, shailendra.capricorn@...il.com,
	kirill.shutemov@...ux.intel.com, hch@...radead.org,
	hughd@...gle.com, mgorman@...hsingularity.net, vbabka@...e.cz,
	Richard Weinberger <richard@....at>
Subject: Re: [PATCH 2/2] UBIFS: Implement ->migratepage()

Hi Kirill,

[auto build test ERROR on v4.6-rc1]
[also build test ERROR on next-20160401]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Richard-Weinberger/mm-Export-migrate_page_move_mapping-and-migrate_page_copy/20160401-060041
config: xtensa-audio_kc705_defconfig (attached as .config)
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=xtensa 

All errors (new ones prefixed by >>):

   fs/ubifs/file.c: In function 'ubifs_migrate_page':
>> fs/ubifs/file.c:1461:2: error: implicit declaration of function 'migrate_page_move_mapping' [-Werror=implicit-function-declaration]
     rc = migrate_page_move_mapping(mapping, newpage, page, NULL, mode, 0);
     ^
   cc1: some warnings being treated as errors

vim +/migrate_page_move_mapping +1461 fs/ubifs/file.c

  1455	
  1456	static int ubifs_migrate_page(struct address_space *mapping,
  1457			struct page *newpage, struct page *page, enum migrate_mode mode)
  1458	{
  1459		int rc;
  1460	
> 1461		rc = migrate_page_move_mapping(mapping, newpage, page, NULL, mode, 0);
  1462		if (rc != MIGRATEPAGE_SUCCESS)
  1463			return rc;
  1464	

---
0-DAY kernel test infrastructure                Open Source Technology Center
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