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Date: Fri, 15 Aug 2008 15:36:32 +0200
From: Andi Kleen <andi@firstfloor.org>
To: Hugh Dickins <hugh@veritas.com>
Cc: Andi Kleen <andi@firstfloor.org>, Ingo Molnar <mingo@elte.hu>,
       x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86: fix /proc/meminfo DirectMap
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> Yes, that's what I meant by the TLB optimizers.  But it's going to
> be a fractional effect, isn't it, when you're trying to get the last
> 1% out of the machine?  

Depending on the workload it can be much more than that.

-Andi