[NET] sysctl: make sysctl_somaxconn per-namespace

Just move the variable on the struct net and adjust
its usage.

Others sysctls from sys.net.core table are more
difficult to virtualize (i.e. make them per-namespace),
but I'll look at them as well a bit later.

Signed-off-by: Pavel Emelyanov <xemul@oenvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index d5936115d972..b62e31fca474 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -39,6 +39,7 @@ struct net {
 
         /* core sysctls */
         struct ctl_table_header *sysctl_core_hdr;
+        int                     sysctl_somaxconn;
 
         /* List of all packet sockets. */
         rwlock_t                packet_sklist_lock;