net: Use a percpu_counter for sockets_allocated

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / ipv4 / tcp_ipv4.c

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index cab2458f86fdd7f5c74c67abfa4b700c9e5629ac..26b9030747cc97b61eeca8554ca6792863a9d6fe 100644 (file)
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1797,7 +1797,7 @@ static int tcp_v4_init_sock(struct sock *sk)
        sk->sk_sndbuf = sysctl_tcp_wmem[1];
        sk->sk_rcvbuf = sysctl_tcp_rmem[1];
 
-       atomic_inc(&tcp_sockets_allocated);
+       percpu_counter_inc(&tcp_sockets_allocated);
 
        return 0;
 }
@@ -1845,7 +1845,7 @@ void tcp_v4_destroy_sock(struct sock *sk)
                sk->sk_sndmsg_page = NULL;
        }
 
-       atomic_dec(&tcp_sockets_allocated);
+       percpu_counter_dec(&tcp_sockets_allocated);
 }
 
 EXPORT_SYMBOL(tcp_v4_destroy_sock);