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authorEric Dumazet <edumazet@google.com>2015-05-15 12:39:27 -0700
committerDavid S. Miller <davem@davemloft.net>2015-05-17 22:45:48 -0400
commitb8da51ebb1aa93908350f95efae73aecbc2e266c (patch)
tree5d6b1edc272ea24b07ec2a38cbcba7c53fb44bae /net/ipv4/tcp_output.c
parenta6c5ea4ccf0033591e6e476d7a273c0074c07aa7 (diff)
tcp: introduce tcp_under_memory_pressure()
Introduce an optimized version of sk_under_memory_pressure() for TCP. Our intent is to use it in fast paths. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index bac1a950d087..08c2cc40b26d 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2392,7 +2392,7 @@ u32 __tcp_select_window(struct sock *sk)
if (free_space < (full_space >> 1)) {
icsk->icsk_ack.quick = 0;
- if (sk_under_memory_pressure(sk))
+ if (tcp_under_memory_pressure(sk))
tp->rcv_ssthresh = min(tp->rcv_ssthresh,
4U * tp->advmss);
@@ -2843,7 +2843,7 @@ void tcp_send_fin(struct sock *sk)
* Note: in the latter case, FIN packet will be sent after a timeout,
* as TCP stack thinks it has already been transmitted.
*/
- if (tskb && (tcp_send_head(sk) || sk_under_memory_pressure(sk))) {
+ if (tskb && (tcp_send_head(sk) || tcp_under_memory_pressure(sk))) {
coalesce:
TCP_SKB_CB(tskb)->tcp_flags |= TCPHDR_FIN;
TCP_SKB_CB(tskb)->end_seq++;