[mmotm:master 214/330] mm/memory-failure.c:1656: error: implicit declaration of function 'isolate_movable_page'

[kbuild test robot <fengguang.wu@intel.com>]

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tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   f7bc4a69dcfb1f03014b95e88b6a468f8cbf2d43
commit: 2cef0f79dcb7450917e324c8d26cdbe58097da31 [214/330] HWPOISON: soft offlining for non-lru movable pages
config: x86_64-randconfig-b0-01251455 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
        git checkout 2cef0f79dcb7450917e324c8d26cdbe58097da31
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   mm/memory-failure.c: In function '__soft_offline_page':
>> mm/memory-failure.c:1656: error: implicit declaration of function 'isolate_movable_page'

vim +/isolate_movable_page +1656 mm/memory-failure.c

  1650		 * Try to migrate to a new page instead. migrate.c
  1651		 * handles a large number of cases for us.
  1652		 */
  1653		if (PageLRU(page))
  1654			ret = isolate_lru_page(page);
  1655		else
> 1656			ret = !isolate_movable_page(page, ISOLATE_UNEVICTABLE);
  1657		/*
  1658		 * Drop page reference which is came from get_any_page()
  1659		 * successful isolate_lru_page() already took another one.

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