From: kbuild test robot <lkp@intel.com>
To: jglisse@redhat.com
Cc: kbuild-all@01.org, linux-mm@kvack.org,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org,
Ralph Campbell <rcampbell@nvidia.com>,
John Hubbard <jhubbard@nvidia.com>,
Evgeny Baskakov <ebaskakov@nvidia.com>
Subject: Re: [PATCH 2/4] mm/hmm: fix header file if/else/endif maze
Date: Sat, 17 Mar 2018 08:53:11 +0800 [thread overview]
Message-ID: <201803170847.tDn26SeR%fengguang.wu@intel.com> (raw)
In-Reply-To: <20180315183700.3843-3-jglisse@redhat.com>
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Hi Jerome,
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 Jerome Glisse 2017-09-08 509
133ff0eac Jerome Glisse 2017-09-08 510 static inline void hmm_mm_init(struct mm_struct *mm)
133ff0eac Jerome Glisse 2017-09-08 511 {
133ff0eac Jerome Glisse 2017-09-08 512 mm->hmm = NULL;
133ff0eac Jerome Glisse 2017-09-08 513 }
6b368cd4a Jerome Glisse 2017-09-08 514 #else /* IS_ENABLED(CONFIG_HMM_MIRROR) */
6b368cd4a Jerome Glisse 2017-09-08 @515 static inline void hmm_mm_destroy(struct mm_struct *mm) {}
6b368cd4a Jerome Glisse 2017-09-08 @516 static inline void hmm_mm_init(struct mm_struct *mm) {}
6b368cd4a Jerome Glisse 2017-09-08 517 #endif /* IS_ENABLED(CONFIG_HMM_MIRROR) */
133ff0eac Jerome 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: Jerome Glisse <jglisse@redhat.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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next prev parent reply other threads:[~2018-03-17 0:53 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-15 18:36 [PATCH 0/4] hmm: fixes and documentations jglisse
2018-03-15 18:36 ` [PATCH 1/4] mm/hmm: documentation editorial update to HMM documentation jglisse
2018-03-15 18:36 ` [PATCH 2/4] mm/hmm: fix header file if/else/endif maze jglisse
2018-03-16 0:11 ` Balbir Singh
2018-03-17 0:53 ` kbuild test robot [this message]
2018-03-15 18:36 ` [PATCH 3/4] mm/hmm: HMM should have a callback before MM is destroyed jglisse
2018-03-15 22:48 ` Andrew Morton
2018-03-16 0:54 ` Jerome Glisse
2018-03-16 1:17 ` John Hubbard
2018-03-20 11:33 ` Michal Hocko
2018-03-20 14:45 ` Jerome Glisse
2018-03-15 18:37 ` [PATCH 4/4] mm/hmm: change CPU page table snapshot functions to simplify drivers jglisse
2018-03-16 5:08 ` John Hubbard
2018-03-16 19:19 ` Jerome Glisse
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