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 }}; ^ include/linux/swapops.h:222:16: note: (near initialization for '(anonymous)') vim +222 include/linux/swapops.h 206 struct page *new) 207 { 208 BUILD_BUG(); 209 } 210 211 static inline void pmd_migration_entry_wait(struct mm_struct *m, pmd_t *p) { } 212 213 static inline swp_entry_t pmd_to_swp_entry(pmd_t pmd) 214 { 215 BUILD_BUG(); 216 return swp_entry(0, 0); 217 } 218 219 static inline pmd_t swp_entry_to_pmd(swp_entry_t entry) 220 { 221 BUILD_BUG(); > 222 return (pmd_t){{ 0 }}; 223 } 224 225 static inline int is_pmd_migration_entry(pmd_t pmd) 226 { 227 return 0; 228 } 229 #endif 230 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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