Erro ao Compilar Kernel-2.6.21.6

Estou compilando o kernel do meu debian mas não esta dando certo sempre para na mesma função route.o

net/ipv4/route.c: In function âip_divert_localâ:
net/ipv4/route.c:1548: warning: implicit declaration of function âip_hdrâ
net/ipv4/route.c:1548: warning: initialization makes pointer from integer without a cast
net/ipv4/route.c:1603: warning: implicit declaration of function âIN_DEV_CONF_GETâ
net/ipv4/route.c:1603: error: âNOPOLICYâ undeclared (first use in this function)
net/ipv4/route.c:1603: error: (Each undeclared identifier is reported only once
net/ipv4/route.c:1603: error: for each function it appears in.)
make[2]: ** [net/ipv4/route.o] Erro 1
make[1]: ** [net/ipv4] Erro 2
make: ** [net] Erro 2



Preciso terminar se alguem puder ajudar agradeço ...