Re: [PATCH 2/2]x86: spread tlb flush vector between nodes

Peter Zijlstra
2010-10-20T12:08:42Z

On Wed, 2010-10-20 at 14:06 +0200, Andi Kleen wrote:
> On Wed, Oct 20, 2010 at 01:20:52PM +0200, Peter Zijlstra wrote:
> > On Wed, 2010-10-20 at 09:31 +0200, Andi Kleen wrote:
> > > Really a lot of the per CPU scaling we have today should be per core
> > > or per node to avoid explosion.
> >
> > Shouldn't that be per-cache instead of per-core?
>
> That's the same on modern x86:

Last time I checked there's more than 1 directory in arch/