| commit | 234b27c3fd58fc0e15c04dd0fbf4337fac9c2a06 | |
| author | Eric Dumazet <eric.dumazet@gmail.com> | |
| Thu, 12 Nov 2009 04:11:50 +0000 (12 04:11 +0000) | ||
| committer | David S. Miller <davem@davemloft.net> | |
| Sat, 14 Nov 2009 04:46:57 +0000 (13 20:46 -0800) | ||
| tree | b7cc69200bee85872e2b8bf7fa93d2c8b519de2e | treesnapshot (tar.gz zip) |
| parent | 5256f2ef3a40d784b8369035bff3f4dc637a9801 | commitdiff |
ipv6: speedup inet6_dump_addr()
When handling large number of netdevices, inet6_dump_addr()
is very slow because it has O(N^2) complexity.
Instead of scanning one single list, we can use the NETDEV_HASHENTRIES
sub lists of the dev_index hash table, and RCU lookups.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When handling large number of netdevices, inet6_dump_addr()
is very slow because it has O(N^2) complexity.
Instead of scanning one single list, we can use the NETDEV_HASHENTRIES
sub lists of the dev_index hash table, and RCU lookups.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| net/ipv6/addrconf.c | diffblobblamehistory |