baadnewz@ubuntu:~/pyramid-2.6.35_mr$ make
  CHK     include/linux/version.h
  CHK     include/generated/utsrelease.h
make[1]: `include/generated/mach-types.h' is up to date.
  CC      arch/arm/kernel/asm-offsets.s
In file included from include/linux/dma-mapping.h:93,
                 from arch/arm/kernel/asm-offsets.c:15:
/home/baadnewz/pyramid-2.6.35_mr/arch/arm/include/asm/dma-mapping.h: In function 'dma_cache_post_ops':
/home/baadnewz/pyramid-2.6.35_mr/arch/arm/include/asm/dma-mapping.h:442: error: implicit declaration of function 'arch_has_speculative_dfetch'
make[1]: *** [arch/arm/kernel/asm-offsets.s] Error 1
make: *** [prepare0] Error 2