Hi Kirill, [auto build test ERROR on mmotm/master] [also build test ERROR on v4.12-rc5 next-20170615] [cannot apply to tip/x86/core] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Kirill-A-Shutemov/Do-not-loose-dirty-bit-on-THP-pages/20170616-030455 base: git://git.cmpxchg.org/linux-mmotm.git master config: s390-defconfig (attached as .config) compiler: s390x-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=s390 All errors (new ones prefixed by >>): mm/huge_memory.c: In function 'change_huge_pmd': >> mm/huge_memory.c:1780:8: error: void value not ignored as it ought to be entry = pmdp_invalidate(vma, addr, pmd); ^ mm/huge_memory.c: In function '__split_huge_pmd_locked': mm/huge_memory.c:2035:6: error: void value not ignored as it ought to be old = pmdp_invalidate(vma, haddr, pmd); ^ vim +1780 mm/huge_memory.c 1774 * The race makes MADV_DONTNEED miss the huge pmd and don't clear it 1775 * which may break userspace. 1776 * 1777 * pmdp_invalidate() is required to make sure we don't miss 1778 * dirty/young flags set by hardware. 1779 */ > 1780 entry = pmdp_invalidate(vma, addr, pmd); 1781 1782 entry = pmd_modify(entry, newprot); 1783 if (preserve_write) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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