From: kbuild test robot <lkp@intel.com>
To: Zi Yan <zi.yan@sent.com>
Cc: kbuild-all@01.org, n-horiguchi@ah.jp.nec.com,
kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, akpm@linux-foundation.org,
minchan@kernel.org, vbabka@suse.cz, mgorman@techsingularity.net,
mhocko@kernel.org, khandual@linux.vnet.ibm.com,
zi.yan@cs.rutgers.edu, dnellans@nvidia.com,
dave.hansen@intel.com
Subject: Re: [PATCH v6 06/10] mm: thp: check pmd migration entry in common path
Date: Fri, 26 May 2017 01:25:35 +0800 [thread overview]
Message-ID: <201705260119.1PjEHGcS%fengguang.wu@intel.com> (raw)
In-Reply-To: <20170525141945.56028-7-zi.yan@sent.com>
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Hi Zi,
[auto build test ERROR on mmotm/master]
[also build test ERROR on v4.12-rc2 next-20170525]
[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/20170526-003749
base: git://git.cmpxchg.org/linux-mmotm.git master
config: i386-randconfig-x016-201721 (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 'swp_entry_to_pmd':
include/linux/swapops.h:222:16: warning: missing braces around initializer [-Wmissing-braces]
return (pmd_t){{ 0 }};
^
include/linux/swapops.h:222:16: note: (near initialization for '(anonymous)')
In file included from include/asm-generic/bug.h:4:0,
from arch/x86/include/asm/bug.h:81,
from include/linux/bug.h:4,
from include/linux/mmdebug.h:4,
from include/linux/mm.h:8,
from fs//proc/task_mmu.c:1:
In function 'pmd_to_swp_entry.isra.34',
inlined from 'pagemap_pmd_range' at fs//proc/task_mmu.c:1242:16:
>> include/linux/compiler.h:525:38: error: call to '__compiletime_assert_215' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:508:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:525:2: 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:215:2: note: in expansion of macro 'BUILD_BUG'
BUILD_BUG();
^~~~~~~~~
vim +/BUILD_BUG +215 include/linux/swapops.h
2182e56bf Zi Yan 2017-05-25 199 static inline void set_pmd_migration_entry(struct page_vma_mapped_walk *pvmw,
2182e56bf Zi Yan 2017-05-25 200 struct page *page)
2182e56bf Zi Yan 2017-05-25 201 {
2182e56bf Zi Yan 2017-05-25 202 BUILD_BUG();
2182e56bf Zi Yan 2017-05-25 203 }
2182e56bf Zi Yan 2017-05-25 204
2182e56bf Zi Yan 2017-05-25 205 static inline void remove_migration_pmd(struct page_vma_mapped_walk *pvmw,
2182e56bf Zi Yan 2017-05-25 206 struct page *new)
2182e56bf Zi Yan 2017-05-25 207 {
2182e56bf Zi Yan 2017-05-25 208 BUILD_BUG();
2182e56bf Zi Yan 2017-05-25 209 }
2182e56bf Zi Yan 2017-05-25 210
2182e56bf Zi Yan 2017-05-25 211 static inline void pmd_migration_entry_wait(struct mm_struct *m, pmd_t *p) { }
2182e56bf Zi Yan 2017-05-25 212
2182e56bf Zi Yan 2017-05-25 213 static inline swp_entry_t pmd_to_swp_entry(pmd_t pmd)
2182e56bf Zi Yan 2017-05-25 214 {
2182e56bf Zi Yan 2017-05-25 @215 BUILD_BUG();
2182e56bf Zi Yan 2017-05-25 216 return swp_entry(0, 0);
2182e56bf Zi Yan 2017-05-25 217 }
2182e56bf Zi Yan 2017-05-25 218
2182e56bf Zi Yan 2017-05-25 219 static inline pmd_t swp_entry_to_pmd(swp_entry_t entry)
2182e56bf Zi Yan 2017-05-25 220 {
2182e56bf Zi Yan 2017-05-25 221 BUILD_BUG();
2182e56bf Zi Yan 2017-05-25 222 return (pmd_t){{ 0 }};
2182e56bf Zi Yan 2017-05-25 223 }
:::::: The code at line 215 was first introduced by commit
:::::: 2182e56bfe80b55d1a9a8e8de04e6a5578b1dce0 mm: thp: enable thp migration in generic path
:::::: TO: Zi Yan <zi.yan@cs.rutgers.edu>
:::::: CC: 0day robot <fengguang.wu@intel.com>
---
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:[~2017-05-25 17:25 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-25 14:19 [PATCH v6 00/10] mm: page migration enhancement for thp Zi Yan
2017-05-25 14:19 ` [PATCH v6 01/10] mm: mempolicy: add queue_pages_required() Zi Yan
2017-05-25 14:19 ` [PATCH v6 02/10] mm: x86: move _PAGE_SWP_SOFT_DIRTY from bit 7 to bit 1 Zi Yan
2017-05-25 14:19 ` [PATCH v6 03/10] mm: thp: introduce separate TTU flag for thp freezing Zi Yan
2017-05-25 14:19 ` [PATCH v6 04/10] mm: thp: introduce CONFIG_ARCH_ENABLE_THP_MIGRATION Zi Yan
2017-05-25 14:19 ` [PATCH v6 05/10] mm: thp: enable thp migration in generic path Zi Yan
2017-05-25 17:06 ` kbuild test robot
2017-05-25 17:19 ` Zi Yan
2017-05-25 22:43 ` Andrew Morton
2017-05-25 23:35 ` Zi Yan
2017-05-26 0:58 ` Fengguang Wu
2017-05-29 14:13 ` Zi Yan
2017-05-25 14:19 ` [PATCH v6 06/10] mm: thp: check pmd migration entry in common path Zi Yan
2017-05-25 17:00 ` kbuild test robot
2017-05-25 17:25 ` kbuild test robot [this message]
2017-05-25 14:19 ` [PATCH v6 07/10] mm: soft-dirty: keep soft-dirty bits over thp migration Zi Yan
2017-05-25 14:19 ` [PATCH v6 08/10] mm: mempolicy: mbind and migrate_pages support " Zi Yan
2017-05-25 14:19 ` [PATCH v6 09/10] mm: migrate: move_pages() supports " Zi Yan
2017-05-25 14:19 ` [PATCH v6 10/10] mm: memory_hotplug: memory hotremove " Zi Yan
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