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| author | Eric Dumazet <dada1@cosmosbay.com> | 2008-11-12 00:54:20 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-12 00:54:20 -0800 |
| commit | 7a9546ee354ec6f23af403992b8c07baa50a23d2 (patch) | |
| tree | 8536e2f4aa79921c0b2666795cdff91be80a2057 /include/net/inet_hashtables.h | |
| parent | 8f424b5f32d78b4f353b3cddca9804808ef063eb (diff) | |
| download | lwn-7a9546ee354ec6f23af403992b8c07baa50a23d2.tar.gz lwn-7a9546ee354ec6f23af403992b8c07baa50a23d2.zip | |
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.h | 7 |
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) |