Subject: Re: [PATCH] limit rt cache size

From: Andi Kleen <[email-masked]>
Date: Wed, 9 Aug 2006 03:02:19 +0200

> But there's alot of state to update (more or less
> atomically, too) 

Why does it need to be atomic? It might be enough
to just check a flag and poll for it in the readers and then redo the 
lookup.

> in the TCP hashes. Looks tricky to 
> do that without hurting performance, especially since
> you'll probably want to resize the tables when you've
> discovered they're full and busy....

There will be some hickup, but as long as the downtime
is limited it shouldn't be too bad.

-Andi