Hi Mel,

FYI, kernel build failed on

tree:   git://github.com/mstsxfx/memcg-devel.git since-3.5
head:   a49301bd151e60fc22dc5b934358a9bb80bed7b3
commit: c4183d4ae946b7965f2657cf97da742c87fa9d96 [41/99] nfs: enable swap on NFS
config: m32r-m32104ut_defconfig (attached as .config)

All related error/warning messages:

fs/built-in.o: In function `nfs_file_direct_read':
(.text+0xa0998): undefined reference to `get_kernel_page'
fs/built-in.o: In function `nfs_file_direct_write':
(.text+0xa10b8): undefined reference to `get_kernel_page'

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0-DAY kernel build testing backend         Open Source Technology Centre
Fengguang Wu <wfg@linux.intel.com>                     Intel Corporation