Hi Naoya, [auto build test ERROR on mmotm/master] [also build test ERROR on v4.9-rc4 next-20161028] [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/Naoya-Horiguchi/mm-x86-move-_PAGE_SWP_SOFT_DIRTY-from-bit-7-to-bit-6/20161108-080615 base: git://git.cmpxchg.org/linux-mmotm.git master config: i386-randconfig-x007-201645 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): mm/memory.c: In function 'copy_pmd_range': >> mm/memory.c:1002:7: error: implicit declaration of function 'pmd_related' >> [-Werror=implicit-function-declaration] if (pmd_related(*src_pmd)) { ^~~~~~~~~~~ cc1: some warnings being treated as errors -- mm/mremap.c: In function 'move_page_tables': >> mm/mremap.c:197:7: error: implicit declaration of function 'pmd_related' >> [-Werror=implicit-function-declaration] if (pmd_related(*old_pmd)) { ^~~~~~~~~~~ In file included from include/asm-generic/bug.h:4:0, from arch/x86/include/asm/bug.h:35, from include/linux/bug.h:4, from include/linux/mmdebug.h:4, from include/linux/mm.h:8, from mm/mremap.c:10: >> include/linux/compiler.h:518:38: error: call to '__compiletime_assert_198' >> declared with attribute error: BUILD_BUG failed _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:501:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:518:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/bug.h:54:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/bug.h:88:21: note: in expansion of macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") ^~~~~~~~~~~~~~~~ >> include/linux/huge_mm.h:183:27: note: in expansion of macro 'BUILD_BUG' #define HPAGE_PMD_SIZE ({ BUILD_BUG(); 0; }) ^~~~~~~~~ >> mm/mremap.c:198:18: note: in expansion of macro 'HPAGE_PMD_SIZE' if (extent == HPAGE_PMD_SIZE) { ^~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- mm/madvise.c: In function 'madvise_free_pte_range': >> mm/madvise.c:277:6: error: implicit declaration of function 'pmd_related' >> [-Werror=implicit-function-declaration] if (pmd_related(*pmd)) ^~~~~~~~~~~ cc1: some warnings being treated as errors vim +/pmd_related +1002 mm/memory.c 996 dst_pmd = pmd_alloc(dst_mm, dst_pud, addr); 997 if (!dst_pmd) 998 return -ENOMEM; 999 src_pmd = pmd_offset(src_pud, addr); 1000 do { 1001 next = pmd_addr_end(addr, end); > 1002 if (pmd_related(*src_pmd)) { 1003 int err; 1004 VM_BUG_ON(next-addr != HPAGE_PMD_SIZE); 1005 err = copy_huge_pmd(dst_mm, src_mm, --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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