| commit | 5c74501f76360ce6f410730b9b5e5976f38e8504 | [log] [tgz] |
|---|---|---|
| author | Eric Dumazet <eric.dumazet@gmail.com> | Mon Jul 18 03:16:33 2011 +0000 |
| committer | David S. Miller <davem@davemloft.net> | Mon Jul 18 10:41:18 2011 -0700 |
| tree | 4965fe06affeaa121afa4a18b0644cbeb9e7d639 | |
| parent | d3aaeb38c40e5a6c08dd31a1b64da65c4352be36 [diff] |
ipv4: save cpu cycles from check_leaf() Compiler is not smart enough to avoid double BSWAP instructions in ntohl(inet_make_mask(plen)). Lets cache this value in struct leaf_info, (fill a hole on 64bit arches) With route cache disabled, this saves ~2% of cpu in udpflood bench on x86_64 machine. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>