Hi Aneesh, [auto build test ERROR on v4.5-rc3] [also build test ERROR on next-20160209] [cannot apply to arc/for-next] [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/Aneesh-Kumar-K-V/mm-thp-migration-switch-from-flush_tlb_range-to-flush_pmd_tlb_range/20160210-135701 config: x86_64-randconfig-x012-201606 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): mm/migrate.c: In function 'migrate_misplaced_transhuge_page': >> mm/migrate.c:1833:3: error: implicit declaration of function 'flush_pmd_tlb_range' [-Werror=implicit-function-declaration] flush_pmd_tlb_range(vma, mmun_start, mmun_end); ^ cc1: some warnings being treated as errors vim +/flush_pmd_tlb_range +1833 mm/migrate.c 1827 pmdp_huge_clear_flush_notify(vma, mmun_start, pmd); 1828 set_pmd_at(mm, mmun_start, pmd, entry); 1829 update_mmu_cache_pmd(vma, address, &entry); 1830 1831 if (page_count(page) != 2) { 1832 set_pmd_at(mm, mmun_start, pmd, orig_entry); > 1833 flush_pmd_tlb_range(vma, mmun_start, mmun_end); 1834 mmu_notifier_invalidate_range(mm, mmun_start, mmun_end); 1835 update_mmu_cache_pmd(vma, address, &entry); 1836 page_remove_rmap(new_page, true); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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