[CentOS] rt_cache leak in 2.6.18

[Christopher Chan]

> According to
> http://linux.derkeiler.com/Mailing-Lists/Fedora/2005-07/1175.html this is
> a known bug that was fixed in 2.6.11, however, I'm running 2.6.18 (as
> updated with `yum update`)
> 

It could be something new. I got dst cache overflows before and it was a 
while before they finally identified the bug for the one I saw. Some 
references below. All I remember was that the chap who finally paid some 
attention really had to dig through the code before he found it and 
informed Dave Miller.

http://oss.sgi.com/cgi-bin/extract-mesg.cgi?a=netdev&m=2004-06&i=40CF3A35.3070906%40outblaze.com

http://marc.info/?l=linux-netdev&m=109953032629224&w=2