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authorEric Dumazet <dada1@cosmosbay.com>2008-10-08 23:18:04 +0200
committerDavid S. Miller <davem@davemloft.net>2008-10-08 23:18:04 +0200
commit3c689b7320ae6f20dba6a8b71806a6c6fd604ee8 (patch)
treef9417dbd9f4aca952a1aba3e9a0f2a5a6e088dcd /virt
parentudp: Improve port randomization (diff)
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inet: cleanup of local_port_range
I noticed sysctl_local_port_range[] and its associated seqlock sysctl_local_port_range_lock were on separate cache lines. Moreover, sysctl_local_port_range[] was close to unrelated variables, highly modified, leading to cache misses. Moving these two variables in a structure can help data locality and moving this structure to read_mostly section helps sharing of this data among cpus. Cleanup of extern declarations (moved in include file where they belong), and use of inet_get_local_port_range() accessor instead of direct access to ports values. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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