../net/netfilter/nf_conncount.c: note: in included file (through ../include/linux/mm_types.h, ../include/linux/uio.h, ../include/linux/socket.h, ../include/uapi/linux/in.h, ../include/linux/in.h):
../include/linux/rbtree.h:74:9: error: incompatible types in comparison expression (different address spaces):
../include/linux/rbtree.h:74:9:    struct rb_node [noderef] __rcu *
../include/linux/rbtree.h:74:9:    struct rb_node *
../net/netfilter/nf_conncount.c: note: in included file (through ../include/linux/mm_types.h, ../include/linux/uio.h, ../include/linux/socket.h, ../include/uapi/linux/in.h, ../include/linux/in.h):
../include/linux/rbtree.h:74:9: error: incompatible types in comparison expression (different address spaces):
../include/linux/rbtree.h:74:9:    struct rb_node [noderef] __rcu *
../include/linux/rbtree.h:74:9:    struct rb_node *