From: Mihai Maruseac Date: Tue, 3 Jan 2012 23:31:35 +0000 (+0000) Subject: ipv6/addrconf: speedup /proc/net/if_inet6 filling X-Git-Tag: v3.3-rc1~182^2~23 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1d5783030a14d1b6ee763f63c8136e581f48b365;p=pandora-kernel.git ipv6/addrconf: speedup /proc/net/if_inet6 filling This ensures a linear behaviour when filling /proc/net/if_inet6 thus making ifconfig run really fast on IPv6 only addresses. In fact, with this patch and the IPv4 one sent a while ago, ifconfig will run in linear time regardless of address type. IPv4 related patch: f04565ddf52e401880f8ba51de0dff8ba51c99fd dev: use name hash for dev_seq_ops ... Some statistics (running ifconfig > /dev/null on a different setup): iface count / IPv6 no-patch time / IPv6 patched time / IPv4 time ---------------------------------------------------------------- 6250 | 0.23 s | 0.13 s | 0.11 s 12500 | 0.62 s | 0.28 s | 0.22 s 25000 | 2.91 s | 0.57 s | 0.46 s 50000 | 11.37 s | 1.21 s | 0.94 s 128000 | 86.78 s | 3.05 s | 2.54 s Signed-off-by: Mihai Maruseac Cc: Daniel Baluta Signed-off-by: David S. Miller --- Reading git-diff-tree failed