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[NETNS]: struct net content re-work (v3)

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Recently David Miller and Herbert Xu pointed out that struct net becomes
overbloated and un-maintainable. There are two solutions:
- provide a pointer to a network subsystem definition from struct net.
  This costs an additional dereferrence
- place sub-system definition into the structure itself. This will speedup
  run-time access at the cost of recompilation time

The second approach looks better for us. Other sub-systems will follow.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis V. Lunev 2007-12-11 04:19:17 -08:00 • committed by David S. Miller
parent 27147c9e6e
commit a0a53c8ba9
4 changed files with 24 additions and 11 deletions
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4
net/unix/af_unix.c
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@ -592,7 +592,7 @@ static struct sock * unix_create1(struct net *net, struct socket *sock)
&af_unix_sk_receive_queue_lock_key);
sk->sk_write_space = unix_write_space;
sk->sk_max_ack_backlog = net->sysctl_unix_max_dgram_qlen;
sk->sk_max_ack_backlog = net->unx.sysctl_max_dgram_qlen;
sk->sk_destruct = unix_sock_destructor;
u = unix_sk(sk);
u->dentry = NULL;
@ -2138,7 +2138,7 @@ static int unix_net_init(struct net *net)
{
int error = -ENOMEM;
net->sysctl_unix_max_dgram_qlen = 10;
net->unx.sysctl_max_dgram_qlen = 10;
if (unix_sysctl_register(net))
goto out;