commit | a4daad6b0923030fbd3b00a01f570e4c3eef446b | [log] [tgz] |
---|---|---|
author | David S. Miller <davem@davemloft.net> | Thu Jan 27 22:01:53 2011 -0800 |
committer | David S. Miller <davem@davemloft.net> | Thu Jan 27 22:01:53 2011 -0800 |
tree | b8e5b9a2110628503e57149f0bb2a4bb1bf3f027 | |
parent | 8571a19c4ac140f1a507f3e7eb716892afa27109 [diff] |
net: Pre-COW metrics for TCP. TCP is going to record metrics for the connection, so pre-COW the route metrics at route cache entry creation time. This avoids several atomic operations that have to occur if we COW the metrics after the entry reaches global visibility. Signed-off-by: David S. Miller <davem@davemloft.net>