Hi Zi, [auto build test WARNING on mmotm/master] [also build test WARNING on v4.13-rc1 next-20170718] [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/Zi-Yan/mm-page-migration-enhancement-for-thp/20170718-095519 base: git://git.cmpxchg.org/linux-mmotm.git master config: xtensa-common_defconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 4.9.0 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=xtensa All warnings (new ones prefixed by >>): In file included from mm/vmscan.c:55:0: include/linux/swapops.h: In function 'swp_entry_to_pmd': >> include/linux/swapops.h:220:2: warning: missing braces around initializer [-Wmissing-braces] return (pmd_t){ 0 }; ^ include/linux/swapops.h:220:2: warning: (near initialization for '(anonymous).pud') [-Wmissing-braces] vim +220 include/linux/swapops.h 217 218 static inline pmd_t swp_entry_to_pmd(swp_entry_t entry) 219 { > 220 return (pmd_t){ 0 }; 221 } 222 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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