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[TCP]: Consolidate checking for tcp orphan count being too big.

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tcp_out_of_resources() and tcp_close() perform the
same checking of number of orphan sockets. Move this
code into common place.

Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelianov
2007-05-29 13:19:18 -07:00
committed by David S. Miller
parent 4e07a91c37
commit e4fd5da39f
3 changed files with 9 additions and 6 deletions
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6
include/net/tcp.h
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@ -254,6 +254,12 @@ static inline int between(__u32 seq1, __u32 seq2, __u32 seq3)
return seq3 - seq2 >= seq1 - seq2;
}
static inline int tcp_too_many_orphans(struct sock *sk, int num)
{
return (num > sysctl_tcp_max_orphans) ||
(sk->sk_wmem_queued > SOCK_MIN_SNDBUF &&
atomic_read(&tcp_memory_allocated) > sysctl_tcp_mem[2]);
}
extern struct proto tcp_prot;