On Tue, Nov 08, 2016 at 11:05:52AM +0800, kbuild test robot wrote: > 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: arm-at91_dt_defconfig (attached as .config) > compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705 > 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=arm > > All errors (new ones prefixed by >>): > > In file included from fs/proc/task_mmu.c:14:0: > include/linux/swapops.h: In function 'swp_entry_to_pmd': > >> include/linux/swapops.h:216:14: error: empty scalar initializer > pmd_t pmd = {}; > ^ > include/linux/swapops.h:216:14: note: (near initialization for 'pmd') > > vim +216 include/linux/swapops.h > > 210 { > 211 return swp_entry(0, 0); > 212 } > 213 > 214 static inline pmd_t swp_entry_to_pmd(swp_entry_t entry) > 215 { > > 216 pmd_t pmd = {}; > 217 > 218 return pmd; > 219 } Here is an alternative: diff --git a/include/linux/swapops.h b/include/linux/swapops.h index db8a858cc6ff..748c9233b3a5 100644 --- a/include/linux/swapops.h +++ b/include/linux/swapops.h @@ -215,9 +215,7 @@ static inline swp_entry_t pmd_to_swp_entry(pmd_t pmd) static inline pmd_t swp_entry_to_pmd(swp_entry_t entry) { - pmd_t pmd = {}; - - return pmd; + return (pmd_t) { 0 }; } static inline int is_pmd_migration_entry(pmd_t pmd) Thanks, Naoya Horiguchi > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href