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authorEric Dumazet <dada1@cosmosbay.com>2008-11-12 11:54:20 +0300
committerDavid S. Miller <davem@davemloft.net>2008-11-12 11:54:20 +0300
commit7a9546ee354ec6f23af403992b8c07baa50a23d2 (patch)
tree8536e2f4aa79921c0b2666795cdff91be80a2057 /include/net/inet_hashtables.h
parent8f424b5f32d78b4f353b3cddca9804808ef063eb (diff)
downloadlinux-7a9546ee354ec6f23af403992b8c07baa50a23d2.tar.xz
net: ib_net pointer should depends on CONFIG_NET_NS
We can shrink size of "struct inet_bind_bucket" by 50%, using read_pnet() and write_pnet() Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inet_hashtables.h')
-rw-r--r--include/net/inet_hashtables.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index 5cc182f9ecae..cb31fbf8ae2a 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -77,13 +77,20 @@ struct inet_ehash_bucket {
* ports are created in O(1) time? I thought so. ;-) -DaveM
*/
struct inet_bind_bucket {
+#ifdef CONFIG_NET_NS
struct net *ib_net;
+#endif
unsigned short port;
signed short fastreuse;
struct hlist_node node;
struct hlist_head owners;
};
+static inline struct net *ib_net(struct inet_bind_bucket *ib)
+{
+ return read_pnet(&ib->ib_net);
+}
+
#define inet_bind_bucket_for_each(tb, node, head) \
hlist_for_each_entry(tb, node, head, node)