Is dst cache leak/overflow fix included to the latest FC-kernels?
Kimmo Koivisto
kimmo.koivisto at surfeu.fi
Sun Mar 27 09:21:02 UTC 2005
On Monday 14 March 2005 23:53, Kimmo Koivisto wrote:
> Hello
>
> I have experienced dst cache overflow errors with three FC3 firewalls under
> medium load.
>
> It seems that the cache leak is now found
> (http://oss.sgi.com/archives/netdev/2005-01/msg01367.html) and there is a
> fix for that:
>
> ===== net/ipv4/ip_output.c 1.74 vs edited =====
> --- 1.74/net/ipv4/ip_output.c 2005-01-25 01:40:10 +01:00
> +++ edited/net/ipv4/ip_output.c 2005-01-30 18:54:43 +01:00
> @@ -389,6 +389,7 @@
> to->priority = from->priority;
> to->protocol = from->protocol;
> to->security = from->security;
> + dst_release(to->dst);
> to->dst = dst_clone(from->dst);
> to->dev = from->dev;
>
> I think that vanilla kernel 2.6.11 contains this fix, but does any
> FC-kernels have this fix included? If not, does anybody know is this fix
> going to be included to the new FC-kernels?
>
I just checked this, original 2.6.9 FC3-kernel did not have this patch, newest
test update 2.6.11-1.7_FC3 has.
Regards
Kimmo Koivisto
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