Hi, [auto build test ERROR on v4.6-rc4] [also build test ERROR on next-20160420] [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/Yang-Shi/mm-move-huge_pmd_set_accessed-out-of-huge_memory-c/20160421-025318 config: powerpc-allyesconfig (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=powerpc All errors (new ones prefixed by >>): mm/memory.c: In function 'huge_pmd_set_accessed': >> mm/memory.c:3307:3: error: implicit declaration of function 'update_mmu_cache_pmd' [-Werror=implicit-function-declaration] update_mmu_cache_pmd(vma, address, pmd); ^ cc1: some warnings being treated as errors vim +/update_mmu_cache_pmd +3307 mm/memory.c 3301 if (unlikely(!pmd_same(*pmd, orig_pmd))) 3302 goto unlock; 3303 3304 entry = pmd_mkyoung(orig_pmd); 3305 haddr = address & HPAGE_PMD_MASK; 3306 if (pmdp_set_access_flags(vma, haddr, pmd, entry, dirty)) > 3307 update_mmu_cache_pmd(vma, address, pmd); 3308 3309 unlock: 3310 spin_unlock(ptl); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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