1 files changed, 10 insertions, 10 deletions

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 0cbb44076cfa..2877c3e09587 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -322,7 +322,7 @@ static void tcp_grow_window(struct sock *sk, const struct sk_buff *skb)
         /* Check #1 */
         if (tp->rcv_ssthresh < tp->window_clamp &&
             (int)tp->rcv_ssthresh < tcp_space(sk) &&
-            !tcp_memory_pressure) {
+            !sk_under_memory_pressure(sk)) {
                 int incr;
 
                 /* Check #2. Increase window, if skb with such overhead
@@ -411,8 +411,8 @@ static void tcp_clamp_window(struct sock *sk)
 
         if (sk->sk_rcvbuf < sysctl_tcp_rmem[2] &&
             !(sk->sk_userlocks & SOCK_RCVBUF_LOCK) &&
-            !tcp_memory_pressure &&
-            atomic_long_read(&tcp_memory_allocated) < sysctl_tcp_mem[0]) {
+            !sk_under_memory_pressure(sk) &&
+            sk_memory_allocated(sk) < sk_prot_mem_limits(sk, 0)) {
                 sk->sk_rcvbuf = min(atomic_read(&sk->sk_rmem_alloc),
                                     sysctl_tcp_rmem[2]);
         }
@@ -865,13 +865,13 @@ static void tcp_disable_fack(struct tcp_sock *tp)
         /* RFC3517 uses different metric in lost marker => reset on change */
         if (tcp_is_fack(tp))
                 tp->lost_skb_hint = NULL;
-        tp->rx_opt.sack_ok &= ~2;
+        tp->rx_opt.sack_ok &= ~TCP_FACK_ENABLED;
 }
 
 /* Take a notice that peer is sending D-SACKs */
 static void tcp_dsack_seen(struct tcp_sock *tp)
 {
-        tp->rx_opt.sack_ok |= 4;
+        tp->rx_opt.sack_ok |= TCP_DSACK_SEEN;
 }
 
 /* Initialize metrics on socket. */
@@ -2663,7 +2663,7 @@ static void DBGUNDO(struct sock *sk, const char *msg)
                        tp->snd_ssthresh, tp->prior_ssthresh,
                        tp->packets_out);
         }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
         else if (sk->sk_family == AF_INET6) {
                 struct ipv6_pinfo *np = inet6_sk(sk);
                 printk(KERN_DEBUG "Undo %s %pI6/%u c%u l%u ss%u/%u p%u\n",
@@ -3878,7 +3878,7 @@ void tcp_parse_options(const struct sk_buff *skb, struct tcp_options_received *o
                         case TCPOPT_SACK_PERM:
                                 if (opsize == TCPOLEN_SACK_PERM && th->syn &&
                                     !estab && sysctl_tcp_sack) {
-                                        opt_rx->sack_ok = 1;
+                                        opt_rx->sack_ok = TCP_SACK_SEEN;
                                         tcp_sack_reset(opt_rx);
                                 }
                                 break;
@@ -4866,7 +4866,7 @@ static int tcp_prune_queue(struct sock *sk)
 
         if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf)
                 tcp_clamp_window(sk);
-        else if (tcp_memory_pressure)
+        else if (sk_under_memory_pressure(sk))
                 tp->rcv_ssthresh = min(tp->rcv_ssthresh, 4U * tp->advmss);
 
         tcp_collapse_ofo_queue(sk);
@@ -4932,11 +4932,11 @@ static int tcp_should_expand_sndbuf(const struct sock *sk)
                 return 0;
 
         /* If we are under global TCP memory pressure, do not expand.  */
-        if (tcp_memory_pressure)
+        if (sk_under_memory_pressure(sk))
                 return 0;
 
         /* If we are under soft global TCP memory pressure, do not expand.  */
-        if (atomic_long_read(&tcp_memory_allocated) >= sysctl_tcp_mem[0])
+        if (sk_memory_allocated(sk) >= sk_prot_mem_limits(sk, 0))
                 return 0;
 
         /* If we filled the congestion window, do not expand.  */