ipv4: Namespaceify tcp_notsent_lowat sysctl knob
Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 3f160c2..9b2cb0c 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -267,7 +267,6 @@
extern int sysctl_tcp_early_retrans;
extern int sysctl_tcp_limit_output_bytes;
extern int sysctl_tcp_challenge_ack_limit;
-extern unsigned int sysctl_tcp_notsent_lowat;
extern int sysctl_tcp_min_tso_segs;
extern int sysctl_tcp_min_rtt_wlen;
extern int sysctl_tcp_autocorking;
@@ -1682,7 +1681,8 @@
static inline u32 tcp_notsent_lowat(const struct tcp_sock *tp)
{
- return tp->notsent_lowat ?: sysctl_tcp_notsent_lowat;
+ struct net *net = sock_net((struct sock *)tp);
+ return tp->notsent_lowat ?: net->ipv4.sysctl_tcp_notsent_lowat;
}
static inline bool tcp_stream_memory_free(const struct sock *sk)