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Date:	Tue, 14 Aug 2007 17:37:35 -0700 (PDT)
From:	David Miller <>
Subject: Re: [PATCH] IOAT: Fix ioatdma descriptor cache miss

From: "Nelson, Shannon" <>
Date: Tue, 14 Aug 2007 14:20:02 -0700

> The layout for struct ioat_desc_sw is non-optimal and causes an extra
> cache hit for every descriptor processed.  By tightening up the struct
> layout and removing one item, we pull in the fields that get used in
> the speedpath and get a little better performance.
> Signed-off-by: Shannon Nelson <>

Patch applied, thanks.

> @@ -347,8 +347,7 @@ ioat_dma_prep_memcpy(struct dma_chan *chan, size_t
> len, int int_en)

Your email client is wrapping long lines in patches, corrupting

I fixed it up this time, but please take care of this in the
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