Martin Josefsson (gandalf@wlug.westbo.se) wrote on 18 July 2003 23:28:
 >> If I echo 102400 > /proc/sys/net/ipv4/ip_conntrack_max, what is my worst
 >> case memory usage?
 >
 >Don't do this. This will increase the maximum number of connections it
 >will track, but not the number of buckets. Which means that it will be
 >slower due to longer collision-chains. Instead increase the number of
 >buckets. modprobe ip_conntrack hashsize=131072 (or any number here.

How can we increase the number of buckets with a monolithic kernel?