tcp: introduce tcp_under_memory_pressure()

[uclinux-h8/linux.git] / net / ipv4 / tcp_input.c

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index cf8b20f..093779f 100644 (file)
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -359,7 +359,7 @@ 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) &&
-           !sk_under_memory_pressure(sk)) {
+           !tcp_under_memory_pressure(sk)) {
                int incr;
 
                /* Check #2. Increase window, if skb with such overhead
@@ -446,7 +446,7 @@ static void tcp_clamp_window(struct sock *sk)
 
        if (sk->sk_rcvbuf < sysctl_tcp_rmem[2] &&
            !(sk->sk_userlocks & SOCK_RCVBUF_LOCK) &&
-           !sk_under_memory_pressure(sk) &&
+           !tcp_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]);
@@ -4781,7 +4781,7 @@ static int tcp_prune_queue(struct sock *sk)
 
        if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf)
                tcp_clamp_window(sk);
-       else if (sk_under_memory_pressure(sk))
+       else if (tcp_under_memory_pressure(sk))
                tp->rcv_ssthresh = min(tp->rcv_ssthresh, 4U * tp->advmss);
 
        tcp_collapse_ofo_queue(sk);
@@ -4825,7 +4825,7 @@ static bool tcp_should_expand_sndbuf(const struct sock *sk)
                return false;
 
        /* If we are under global TCP memory pressure, do not expand.  */
-       if (sk_under_memory_pressure(sk))
+       if (tcp_under_memory_pressure(sk))
                return false;
 
        /* If we are under soft global TCP memory pressure, do not expand.  */