Re: [PATCH v4 05/11] mm: thp: enable thp migration in generic path

From: kbuild test robot
Date: Tue Mar 14 2017 - 17:27:41 EST

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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@xxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

---
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Next message: Arnd Bergmann: "[RESEND PATCH] drm: amd: remove broken include path"
Previous message: Arnd Bergmann: "[RESEND PATCH] ARM: omap2: mark omap_init_rng as __init"
In reply to: Zi Yan: "Re: [PATCH v4 05/11] mm: thp: enable thp migration in generic path"
Next in thread: Zi Yan: "[PATCH v4 10/11] mm: migrate: move_pages() supports thp migration"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]