Hi Jérôme, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.16-rc5 next-20180316] [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/jglisse-redhat-com/mm-hmm-documentation-editorial-update-to-HMM-documentation/20180317-074102 config: i386-tinyconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): In file included from kernel/fork.c:40:0: >> include/linux/hmm.h:515:20: error: redefinition of 'hmm_mm_destroy' static inline void hmm_mm_destroy(struct mm_struct *mm) {} ^~~~~~~~~~~~~~ include/linux/hmm.h:502:20: note: previous definition of 'hmm_mm_destroy' was here static inline void hmm_mm_destroy(struct mm_struct *mm) {} ^~~~~~~~~~~~~~ >> include/linux/hmm.h:516:20: error: redefinition of 'hmm_mm_init' static inline void hmm_mm_init(struct mm_struct *mm) {} ^~~~~~~~~~~ include/linux/hmm.h:503:20: note: previous definition of 'hmm_mm_init' was here static inline void hmm_mm_init(struct mm_struct *mm) {} ^~~~~~~~~~~ vim +/hmm_mm_destroy +515 include/linux/hmm.h 133ff0eac Jérôme Glisse 2017-09-08 509 133ff0eac Jérôme Glisse 2017-09-08 510 static inline void hmm_mm_init(struct mm_struct *mm) 133ff0eac Jérôme Glisse 2017-09-08 511 { 133ff0eac Jérôme Glisse 2017-09-08 512 mm->hmm = NULL; 133ff0eac Jérôme Glisse 2017-09-08 513 } 6b368cd4a Jérôme Glisse 2017-09-08 514 #else /* IS_ENABLED(CONFIG_HMM_MIRROR) */ 6b368cd4a Jérôme Glisse 2017-09-08 @515 static inline void hmm_mm_destroy(struct mm_struct *mm) {} 6b368cd4a Jérôme Glisse 2017-09-08 @516 static inline void hmm_mm_init(struct mm_struct *mm) {} 6b368cd4a Jérôme Glisse 2017-09-08 517 #endif /* IS_ENABLED(CONFIG_HMM_MIRROR) */ 133ff0eac Jérôme Glisse 2017-09-08 518 :::::: The code at line 515 was first introduced by commit :::::: 6b368cd4a44ce95b33f1d31f2f932e6ae707f319 mm/hmm: avoid bloating arch that do not make use of HMM :::::: TO: Jérôme Glisse <jglisse@xxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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