Re: [PATCH 4/4] oom-reaper: use madvise_dontneed() instead of unmap_page_range()

Hi Kirill,

[auto build test ERROR on mmotm/master]
[also build test ERROR on v4.9 next-20161216]
[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/Kirill-A-Shutemov/mm-drop-zap_details-ignore_dirty/20161216-231509
base:   git://git.cmpxchg.org/linux-mmotm.git master
config: i386-randconfig-s0-201650 (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/built-in.o: In function `oom_reaper':

quoted

oom_kill.c:(.text+0x4869): undefined reference to `madvise_dontneed'

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