--- arch/arm/Makefile

+++ arch/arm/Makefile

@@ -252,6 +252,7 @@ core-$(CONFIG_VFP) += arch/arm/vfp/

# If we have a machine-specific directory, then include it in the build.

core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/

+core-y += arch/arm/net/

core-y += $(machdirs) $(platdirs)

drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/