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tipc: only create header copy for name distr messages

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The TIPC name distributor pushes topology updates to the cluster
neighbors. Currently this is done in a unicast manner, and the
skb holding the update is cloned for each cluster member. This
is unnecessary, as we only modify the destnode field in the header
so we change it to do pskb_copy instead.

Signed-off-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Erik Hugne 2015-02-27 08:56:54 +01:00 committed by David S. Miller
parent 247f6d0f86
commit 3622c36f37
1 changed files with 1 additions and 1 deletions
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2
net/tipc/name_distr.c
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@ -98,7 +98,7 @@ void named_cluster_distribute(struct net *net, struct sk_buff *skb)
continue;
if (!tipc_node_active_links(node))
continue;
oskb = skb_copy(skb, GFP_ATOMIC);
oskb = pskb_copy(skb, GFP_ATOMIC);
if (!oskb)
break;
msg_set_destnode(buf_msg(oskb), dnode);