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Subject: Re: [PATCH 2/2]x86: spread tlb flush vector between nodes
From: Peter Zijlstra <peterz@infradead.org>
To: Andi Kleen <andi@firstfloor.org>
Cc: Eric Dumazet <eric.dumazet@gmail.com>, Shaohua Li <shaohua.li@intel.com>,
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Date: Wed, 20 Oct 2010 14:08:32 +0200
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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/