Hi, [auto build test ERROR on next-20160624] [cannot apply to tip/perf/core v4.7-rc4 v4.7-rc3 v4.7-rc2 v4.7-rc4] [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/Vlastimil-Babka/make-direct-compaction-more-deterministic/20160624-180056 config: m68k-sun3_defconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 4.9.0 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=m68k All errors (new ones prefixed by >>): In file included from mm/page_alloc.c:60:0: >> include/linux/migrate.h:79:19: error: redefinition of 'PageMovable' static inline int PageMovable(struct page *page) { return 0; }; ^ In file included from mm/page_alloc.c:56:0: include/linux/compaction.h:166:19: note: previous definition of 'PageMovable' was here static inline int PageMovable(struct page *page) ^ In file included from mm/page_alloc.c:60:0: >> include/linux/migrate.h:80:20: error: redefinition of '__SetPageMovable' static inline void __SetPageMovable(struct page *page, ^ In file included from mm/page_alloc.c:56:0: include/linux/compaction.h:170:20: note: previous definition of '__SetPageMovable' was here static inline void __SetPageMovable(struct page *page, ^ In file included from mm/page_alloc.c:60:0: >> include/linux/migrate.h:84:20: error: redefinition of '__ClearPageMovable' static inline void __ClearPageMovable(struct page *page) ^ In file included from mm/page_alloc.c:56:0: include/linux/compaction.h:175:20: note: previous definition of '__ClearPageMovable' was here static inline void __ClearPageMovable(struct page *page) ^ -- In file included from mm/compaction.c:13:0: >> include/linux/compaction.h:166:19: error: redefinition of 'PageMovable' static inline int PageMovable(struct page *page) ^ In file included from mm/compaction.c:12:0: include/linux/migrate.h:79:19: note: previous definition of 'PageMovable' was here static inline int PageMovable(struct page *page) { return 0; }; ^ In file included from mm/compaction.c:13:0: >> include/linux/compaction.h:170:20: error: redefinition of '__SetPageMovable' static inline void __SetPageMovable(struct page *page, ^ In file included from mm/compaction.c:12:0: include/linux/migrate.h:80:20: note: previous definition of '__SetPageMovable' was here static inline void __SetPageMovable(struct page *page, ^ In file included from mm/compaction.c:13:0: >> include/linux/compaction.h:175:20: error: redefinition of '__ClearPageMovable' static inline void __ClearPageMovable(struct page *page) ^ In file included from mm/compaction.c:12:0: include/linux/migrate.h:84:20: note: previous definition of '__ClearPageMovable' was here static inline void __ClearPageMovable(struct page *page) ^ vim +/__SetPageMovable +80 include/linux/migrate.h 7039e1db Peter Zijlstra 2012-10-25 73 e8c9f6f5 Minchan Kim 2016-06-24 74 #ifdef CONFIG_COMPACTION e8c9f6f5 Minchan Kim 2016-06-24 75 extern int PageMovable(struct page *page); e8c9f6f5 Minchan Kim 2016-06-24 76 extern void __SetPageMovable(struct page *page, struct address_space *mapping); e8c9f6f5 Minchan Kim 2016-06-24 77 extern void __ClearPageMovable(struct page *page); e8c9f6f5 Minchan Kim 2016-06-24 78 #else e8c9f6f5 Minchan Kim 2016-06-24 @79 static inline int PageMovable(struct page *page) { return 0; }; e8c9f6f5 Minchan Kim 2016-06-24 @80 static inline void __SetPageMovable(struct page *page, e8c9f6f5 Minchan Kim 2016-06-24 81 struct address_space *mapping) e8c9f6f5 Minchan Kim 2016-06-24 82 { e8c9f6f5 Minchan Kim 2016-06-24 83 } e8c9f6f5 Minchan Kim 2016-06-24 @84 static inline void __ClearPageMovable(struct page *page) e8c9f6f5 Minchan Kim 2016-06-24 85 { e8c9f6f5 Minchan Kim 2016-06-24 86 } e8c9f6f5 Minchan Kim 2016-06-24 87 #endif :::::: The code at line 80 was first introduced by commit :::::: e8c9f6f50a2424f46bc72557af356f4be8f835fe mm: fix build warnings in :::::: TO: Minchan Kim :::::: CC: Stephen Rothwell --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation