[NETNS][FRAGS]: Make the nqueues counter per-namespace.

This is simple - just move the variable from struct inet_frags
to struct netns_frags and adjust the usage appropriately.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index ab2d53b..77a8740 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -84,9 +84,9 @@
 
 static struct inet_frags ip6_frags;
 
-int ip6_frag_nqueues(void)
+int ip6_frag_nqueues(struct net *net)
 {
-	return ip6_frags.nqueues;
+	return net->ipv6.frags.nqueues;
 }
 
 int ip6_frag_mem(void)
@@ -690,6 +690,8 @@
 	net->ipv6.sysctl.frags.timeout = IPV6_FRAG_TIMEOUT;
 	net->ipv6.sysctl.frags.secret_interval = 10 * 60 * HZ;
 
+	inet_frags_init_net(&net->ipv6.frags);
+
 	return ip6_frags_sysctl_register(net);
 }