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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2009-10-24 06:13:17 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-24 06:13:17 -0700 |
| commit | 7c28bd0b8ec4d128bd7660671d1b626b0abc471f (patch) | |
| tree | dbde8ba53e2059dbd6cb19aca18133b33112ddf5 /drivers/net/cnic_if.h | |
| parent | 8d5b2c084d2e71587e30a6ef528a8a8051e59dcd (diff) | |
rtnetlink: speedup rtnl_dump_ifinfo()
When handling large number of netdevice, rtnl_dump_ifinfo()
is very slow because it has O(N^2) complexity.
Instead of scanning one single list, we can use the 256 sub lists
of the dev_index hash table.
This considerably speedups "ip link" operations
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/cnic_if.h')
0 files changed, 0 insertions, 0 deletions