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Date: Wed, 15 Mar 2017 05:26:33 +0800
From: kbuild test robot <lkp@...el.com>
To: Zi Yan <zi.yan@...t.com>
Cc: kbuild-all@...org, linux-kernel@...r.kernel.org,
linux-mm@...ck.org, kirill.shutemov@...ux.intel.com,
akpm@...ux-foundation.org, minchan@...nel.org, vbabka@...e.cz,
mgorman@...hsingularity.net, mhocko@...nel.org,
n-horiguchi@...jp.nec.com, khandual@...ux.vnet.ibm.com,
zi.yan@...rutgers.edu, dnellans@...dia.com
Subject: Re: [PATCH v4 05/11] mm: thp: enable thp migration in generic path
Hi Naoya,
[auto build test ERROR on mmotm/master]
[also build test ERROR on next-20170310]
[cannot apply to v4.11-rc2]
[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/20170315-042736
base: git://git.cmpxchg.org/linux-mmotm.git master
config: i386-randconfig-s0-201711 (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 error/warnings (new ones prefixed by >>):
In file included from fs/proc/task_mmu.c:15:0:
include/linux/swapops.h: In function 'remove_migration_pmd':
>> include/linux/swapops.h:209:9: warning: 'return' with a value, in function returning void
return 0;
^
include/linux/swapops.h:205:20: note: declared here
static inline void remove_migration_pmd(struct page_vma_mapped_walk *pvmw,
^~~~~~~~~~~~~~~~~~~~
--
In file included from mm/page_vma_mapped.c:5:0:
include/linux/swapops.h: In function 'remove_migration_pmd':
>> include/linux/swapops.h:209:9: warning: 'return' with a value, in function returning void
return 0;
^
include/linux/swapops.h:205:20: note: declared here
static inline void remove_migration_pmd(struct page_vma_mapped_walk *pvmw,
^~~~~~~~~~~~~~~~~~~~
In file included from include/asm-generic/bug.h:4:0,
from arch/x86/include/asm/bug.h:35,
from include/linux/bug.h:4,
from include/linux/mmdebug.h:4,
from include/linux/mm.h:8,
from mm/page_vma_mapped.c:1:
In function 'pmd_to_swp_entry.isra.14',
inlined from 'page_vma_mapped_walk' at mm/page_vma_mapped.c:149:8:
>> include/linux/compiler.h:537:38: error: call to '__compiletime_assert_216' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:520:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:537:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:54:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:88:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
>> include/linux/swapops.h:216:2: note: in expansion of macro 'BUILD_BUG'
BUILD_BUG();
^~~~~~~~~
--
In file included from mm/rmap.c:53:0:
include/linux/swapops.h: In function 'remove_migration_pmd':
>> include/linux/swapops.h:209:9: warning: 'return' with a value, in function returning void
return 0;
^
include/linux/swapops.h:205:20: note: declared here
static inline void remove_migration_pmd(struct page_vma_mapped_walk *pvmw,
^~~~~~~~~~~~~~~~~~~~
In file included from include/asm-generic/bug.h:4:0,
from arch/x86/include/asm/bug.h:35,
from include/linux/bug.h:4,
from include/linux/mmdebug.h:4,
from include/linux/mm.h:8,
from mm/rmap.c:48:
In function 'set_pmd_migration_entry.isra.28',
inlined from 'try_to_unmap_one' at mm/rmap.c:1317:5:
include/linux/compiler.h:537:38: error: call to '__compiletime_assert_202' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:520:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:537:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:54:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:88:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
include/linux/swapops.h:202:2: note: in expansion of macro 'BUILD_BUG'
BUILD_BUG();
^~~~~~~~~
--
In file included from mm/migrate.c:18:0:
include/linux/swapops.h: In function 'remove_migration_pmd':
>> include/linux/swapops.h:209:9: warning: 'return' with a value, in function returning void
return 0;
^
include/linux/swapops.h:205:20: note: declared here
static inline void remove_migration_pmd(struct page_vma_mapped_walk *pvmw,
^~~~~~~~~~~~~~~~~~~~
In file included from include/asm-generic/bug.h:4:0,
from arch/x86/include/asm/bug.h:35,
from include/linux/bug.h:4,
from include/linux/mmdebug.h:4,
from include/linux/mm.h:8,
from include/linux/migrate.h:4,
from mm/migrate.c:15:
In function 'remove_migration_pmd.isra.32',
inlined from 'remove_migration_pte' at mm/migrate.c:217:4:
include/linux/compiler.h:537:38: error: call to '__compiletime_assert_208' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:520:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:537:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:54:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:88:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
include/linux/swapops.h:208:2: note: in expansion of macro 'BUILD_BUG'
BUILD_BUG();
^~~~~~~~~
vim +/__compiletime_assert_216 +537 include/linux/compiler.h
9a8ab1c3 Daniel Santos 2013-02-21 531 *
9a8ab1c3 Daniel Santos 2013-02-21 532 * In tradition of POSIX assert, this macro will break the build if the
9a8ab1c3 Daniel Santos 2013-02-21 533 * supplied condition is *false*, emitting the supplied error message if the
9a8ab1c3 Daniel Santos 2013-02-21 534 * compiler has support to do so.
9a8ab1c3 Daniel Santos 2013-02-21 535 */
9a8ab1c3 Daniel Santos 2013-02-21 536 #define compiletime_assert(condition, msg) \
9a8ab1c3 Daniel Santos 2013-02-21 @537 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
9a8ab1c3 Daniel Santos 2013-02-21 538
47933ad4 Peter Zijlstra 2013-11-06 539 #define compiletime_assert_atomic_type(t) \
47933ad4 Peter Zijlstra 2013-11-06 540 compiletime_assert(__native_word(t), \
:::::: The code at line 537 was first introduced by commit
:::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG
:::::: TO: Daniel Santos <daniel.santos@...ox.com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
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