[net-next:master 56/77] filter.c:(.text.xdp_do_flush_map+0x28): undefined reference to `__dev_map_flush'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head:   24251c264798ac5a72667245c2650676d7ac2108
commit: 11393cc9b9be2a1f61559e6fb9c27bc8fa20b1ff [56/77] xdp: Add batching support to redirect map
config: score-spct6600_defconfig (attached as .config)
compiler: score-elf-gcc (GCC) 4.9.1 20140622 (prerelease)
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 11393cc9b9be2a1f61559e6fb9c27bc8fa20b1ff
        # save the attached .config to linux build tree
        make.cross ARCH=score 

All errors (new ones prefixed by >>):

   net/core/filter.o: In function `xdp_do_flush_map':

quoted

filter.c:(.text.xdp_do_flush_map+0x28): undefined reference to `__dev_map_flush'

   net/core/filter.o: In function `__bpf_tx_xdp':

quoted

filter.c:(.text.__bpf_tx_xdp+0x48): undefined reference to `__dev_map_insert_ctx'

   net/core/filter.o: In function `xdp_do_redirect_map':
   filter.c:(.text.xdp_do_redirect_map+0x44): undefined reference to `__dev_map_lookup_elem'

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