tcp: Namespace-ify sysctl_tcp_retrans_collapse

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 4 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index bdc288a06f94..55a0aa4b96df 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -45,9 +45,6 @@
 
 #include <trace/events/tcp.h>
 
-/* People can turn this off for buggy TCP's found in printers etc. */
-int sysctl_tcp_retrans_collapse __read_mostly = 1;
-
 /* People can turn this on to work with those rare, broken TCPs that
  * interpret the window field as a signed quantity.
  */
@@ -2804,7 +2801,7 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *to,
         struct sk_buff *skb = to, *tmp;
         bool first = true;
 
-        if (!sysctl_tcp_retrans_collapse)
+        if (!sock_net(sk)->ipv4.sysctl_tcp_retrans_collapse)
                 return;
         if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_SYN)
                 return;