Subject: Re: [PATCH] limit rt cache size

From: Andi Kleen <[email-masked]>
Date: Wed, 9 Aug 2006 18:32:26 +0200

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

One issue I forgot earlier and Kirill pointed out is that the
reallocation would require vmalloc because memory will be too fragmented
to get a big piece of physical memory. So it would add TLB pressure. 

Can't think of a good way around that.

You might have been right with being sceptical.

-Andi