Linux Kernel Compile Error

arm-linux-ld -p -X -T arch/arm/vmlinux.lds arch/arm/kernel/head-armv.o arch/arm/kernel/init_task.o init/main.o init/version.o init/do_mounts.o \
--start-group \
arch/arm/kernel/kernel.o arch/arm/mm/mm.o arch/arm/mach-dm320/dm320.o kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o arch/arm/common/nopci.o \
drivers/serial/serial.o drivers/char/char.o drivers/block/block.o drivers/misc/misc.o drivers/media/media.o drivers/net/net.o drivers/mtd/mtdlink.o drivers/media/media.o \
net/network.o \
arch/arm/nwfpe/math-emu.o arch/arm/lib/lib.a /home/frank/ipcam/svn_ipcam/ipcam/trunk/LR3615_BII/kernel/linux-2.4.26/lib/lib.a \
--end-group \
-o vmlinux
kernel/kernel.o(.text+0x2a10): In function `$a':
: undefined reference to `memc_update_mm'
mm/mm.o(.text+0xc8f0): In function `$a':
: undefined reference to `memc_clear'
fs/fs.o(.text+0x9db8): In function `put_dirty_page':
: undefined reference to `memc_update_addr'
make: *** [vmlinux] Error 1