linux-kernel - Re: [Intel IOMMU 05/10] Intel IOMMU driver

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Message-ID: <Pine.LNX.4.64.0706191656260.16766@schroedinger.engr.sgi.com>
Date:	Tue, 19 Jun 2007 16:56:57 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	"Keshavamurthy, Anil S" <anil.s.keshavamurthy@...el.com>
cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	ak@...e.de, gregkh@...e.de, muli@...ibm.com,
	suresh.b.siddha@...el.com, arjan@...ux.intel.com,
	ashok.raj@...el.com, davem@...emloft.net
Subject: Re: [Intel IOMMU 05/10] Intel IOMMU driver

On Tue, 19 Jun 2007, Keshavamurthy, Anil S wrote:

> Memory allocated during driver init is very less and not much benefit
> with the suggested changes I think. Please correct me If I am wrong.

If its just a small amount of memory then the benefit will not be large. 
You are likely right.

> The biggest benifit will be when we can figure out GPF_XXXX flags
> during runtime when DMA map api's are called. 

Right.

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