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net: shrink struct sock and request_sock by 8 bytes

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One 32bit hole is following skc_refcnt, use it.
skc_incoming_cpu can also be an union for request_sock rcv_wnd.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2015-10-08 19:33:23 -07:00
committed by David S. Miller
parent 8e5eb54d30
commit ed53d0ab76
9 changed files with 28 additions and 25 deletions
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2
net/ipv4/tcp_input.c
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@@ -6022,7 +6022,7 @@ static void tcp_openreq_init(struct request_sock *req,
{
struct inet_request_sock *ireq = inet_rsk(req);
req->rcv_wnd = 0; /* So that tcp_send_synack() knows! */
req->rsk_rcv_wnd = 0; /* So that tcp_send_synack() knows! */
req->cookie_ts = 0;
tcp_rsk(req)->rcv_isn = TCP_SKB_CB(skb)->seq;
tcp_rsk(req)->rcv_nxt = TCP_SKB_CB(skb)->seq + 1;