CFLAGS_KERNEL += $(cflags-kernel-y)
AFLAGS += -m64
-head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o
+head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task_64.o
libs-y += arch/x86_64/lib/
core-y += arch/x86_64/kernel/ \