From: Anshuman Khandual <khandual@linux.vnet.ibm.com>
To: Ye Xiaolong <xiaolong.ye@intel.com>,
Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: kbuild test robot <lkp@intel.com>,
haren@linux.vnet.ibm.com, mhocko@suse.com,
srikar@linux.vnet.ibm.com, minchan@kernel.org,
aneesh.kumar@linux.vnet.ibm.com, bsingharora@gmail.com,
dave.hansen@intel.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, jglisse@redhat.com, mgorman@suse.de,
dan.j.williams@intel.com, zi.yan@cs.rutgers.edu, vbabka@suse.cz,
kbuild-all@01.org
Subject: Re: [kbuild-all] [PATCH 6/6] sysctl: Add global tunable mt_page_copy
Date: Fri, 10 Mar 2017 17:41:14 +0530 [thread overview]
Message-ID: <d1cea9bd-feab-86f0-d76c-8df812848c0a@linux.vnet.ibm.com> (raw)
In-Reply-To: <20170310011239.GF4705@yexl-desktop>
On 03/10/2017 06:42 AM, Ye Xiaolong wrote:
> On 03/08, Anshuman Khandual wrote:
>> On 02/17/2017 09:00 PM, kbuild test robot wrote:
>>> Hi Zi,
>>>
>>> [auto build test ERROR on linus/master]
>>> [also build test ERROR on v4.10-rc8 next-20170217]
>>> [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/Anshuman-Khandual/Enable-parallel-page-migration/20170217-200523
>>> config: i386-randconfig-a0-02131010 (attached as .config)
>>> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
>> Though I dont have the same compiler, I am unable to reproduce this
>> build failure exactly. The build fails but for a different symbol.
> I think previous "undefined reference to `mt_page_copy'" error is due to kbuild
> bot didn't set CONFIG_MIGRATION (see attached config in original mail) since it
> is a randconfig test.
If CONFIG_MIGRATION is not set then mm/migrate.c never gets compiled
and the symbol 'mt_page_copy' is never exported for kernel/sysctl.c
based extern variable to use. Sure, will fix it by keeping all the
code in kernel/sysctl.c within CONFIG_MIGRATION config. Thanks for
pointing it out.
next prev parent reply other threads:[~2017-03-10 12:45 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-17 11:24 [PATCH 0/6] Enable parallel page migration Anshuman Khandual
2017-02-17 11:24 ` [PATCH 1/6] mm/migrate: Add new mode parameter to migrate_page_copy() function Anshuman Khandual
2017-03-09 6:24 ` Anshuman Khandual
2017-02-17 11:24 ` [PATCH 2/6] mm/migrate: Make migrate_mode types non-exclusive Anshuman Khandual
2017-02-17 11:24 ` [PATCH 3/6] mm/migrate: Add copy_pages_mthread function Anshuman Khandual
2017-02-17 12:27 ` kbuild test robot
2017-03-08 15:40 ` Anshuman Khandual
2017-03-09 6:25 ` Anshuman Khandual
2017-02-17 11:24 ` [PATCH 4/6] mm/migrate: Add new migrate mode MIGRATE_MT Anshuman Khandual
2017-02-17 11:24 ` [PATCH 5/6] mm/migrate: Add new migration flag MPOL_MF_MOVE_MT for syscalls Anshuman Khandual
2017-03-09 6:26 ` Anshuman Khandual
2017-02-17 11:24 ` [PATCH 6/6] sysctl: Add global tunable mt_page_copy Anshuman Khandual
2017-02-17 15:30 ` kbuild test robot
2017-03-08 15:37 ` Anshuman Khandual
2017-03-10 1:12 ` [kbuild-all] " Ye Xiaolong
2017-03-10 12:11 ` Anshuman Khandual [this message]
2017-02-22 5:04 ` [PATCH 0/6] Enable parallel page migration Balbir Singh
2017-02-22 5:55 ` Anshuman Khandual
2017-02-22 10:52 ` Balbir Singh
2017-03-08 16:04 ` Anshuman Khandual
2017-03-09 15:09 ` Mel Gorman
2017-03-09 17:38 ` David Nellans
2017-03-09 22:15 ` Mel Gorman
2017-03-09 23:46 ` Zi Yan
2017-03-10 14:07 ` Mel Gorman
2017-03-10 14:45 ` Michal Hocko
2017-03-10 13:05 ` Michal Hocko
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