hi,fengguang, This is because function isolate_movable_page depend on CONFIG_MIGRATION which is not enable. I will submit a patchset to resolve it soon. Sorry about that. Thanks Yisheng Xie. On 2017/1/25 16:05, kbuild test robot wrote: > 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. > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>