Since tcp_mmap() is defined when CONFIG_MMU is set.
Signed-off-by: Yafang Shao <laoar.s...@gmail.com>
---
include/net/tcp.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/net/tcp.h b/include/net/tcp.h
index e0a65c0..5c95018 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -406,8 +406,10 @@ int tcp_recvmsg(struct sock *sk, struct msghdr *msg,
size_t len, int nonblock,
int flags, int *addr_len);
int tcp_set_rcvlowat(struct sock *sk, int val);
void tcp_data_ready(struct sock *sk);
+#ifdef CONFIG_MMU
int tcp_mmap(struct file *file, struct socket *sock,
struct vm_area_struct *vma);
+#endif
void tcp_parse_options(const struct net *net, const struct sk_buff *skb,
struct tcp_options_received *opt_rx,
int estab, struct tcp_fastopen_cookie *foc);
--
1.8.3.1
