On 25 May 2017, at 13:06, kbuild test robot wrote: > Hi Zi, > > [auto build test WARNING on mmotm/master] > [also build test WARNING on v4.12-rc2 next-20170525] > [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/20170526-003749 > base: git://git.cmpxchg.org/linux-mmotm.git master > config: i386-randconfig-x016-201721 (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 warnings (new ones prefixed by >>): > > In file included from fs/proc/task_mmu.c:15:0: > include/linux/swapops.h: In function 'swp_entry_to_pmd': >>> include/linux/swapops.h:222:16: warning: missing braces around initializer >>> [-Wmissing-braces] > return (pmd_t){{ 0 }}; > ^
The braces are added to eliminate the warning from "m68k-linux-gcc (GCC) 4.9.0", which has the bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53119. -- Best Regards Yan Zi
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