Re: [PATCH 2/2] mm: drop hotplug lock from lru_add_drain_all

From: kbuild test robot
Date: Fri Nov 03 2017 - 16:03:18 EST


Hi Michal,

I love your patch! Yet something to improve:

[auto build test ERROR on mmotm/master]
[also build test ERROR on next-20171103]
[cannot apply to v4.14-rc7]
[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/Michal-Hocko/do-not-depend-on-cpuhotplug-logs-in-lru_add_drain_all/20171104-023818
base: git://git.cmpxchg.org/linux-mmotm.git master
config: i386-randconfig-s1-201744 (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 errors (new ones prefixed by >>):

mm/compaction.o: In function `sysctl_compaction_handler':
compaction.c:(.text+0x18f0): undefined reference to `lru_add_drain_all'
mm/mlock.o: In function `do_mlock':
mlock.c:(.text+0x6f7): undefined reference to `lru_add_drain_all'
mm/mlock.o: In function `SyS_mlockall':
mlock.c:(.text+0xa20): undefined reference to `lru_add_drain_all'
mm/ksm.o: In function `ksm_scan_thread':
>> ksm.c:(.text+0x139f): undefined reference to `lru_add_drain_all'
mm/migrate.o: In function `migrate_prep':
>> migrate.c:(.text+0x92e): undefined reference to `lru_add_drain_all'
fs/block_dev.o:block_dev.c:(.text+0x176): more undefined references to `lru_add_drain_all' follow

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