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sock: add net to prot->enter_memory_pressure callback

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The tcp_enter_memory_pressure calls NET_INC_STATS, but doesn't
have where to get the net from.

I decided to add a sk argument, not the net itself, only to factor
all the required sock_net(sk) calls inside the enter_memory_pressure 
callback itself.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov
2008-07-16 20:28:10 -07:00
committed by David S. Miller
parent cf1100a7a4
commit 5c52ba170f
6 changed files with 8 additions and 8 deletions
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4
net/ipv4/tcp.c
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@@ -316,7 +316,7 @@ int tcp_memory_pressure __read_mostly;
EXPORT_SYMBOL(tcp_memory_pressure);
void tcp_enter_memory_pressure(void)
void tcp_enter_memory_pressure(struct sock *sk)
{
if (!tcp_memory_pressure) {
NET_INC_STATS(LINUX_MIB_TCPMEMORYPRESSURES);
@@ -649,7 +649,7 @@ struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp)
}
__kfree_skb(skb);
} else {
sk->sk_prot->enter_memory_pressure();
sk->sk_prot->enter_memory_pressure(sk);
sk_stream_moderate_sndbuf(sk);
}
return NULL;