Messages in this thread |  | | | Date | Thu, 12 Feb 2009 15:48:13 +0100 | | From | Joerg Roedel <> | | Subject | Re: [PATCH 0/16] DMA-API debugging facility v2 |
On Thu, Feb 05, 2009 at 06:05:35PM -0800, Chris Wright wrote:
> (interesting hash_fn spread ;-)
Hmm, thats because all device addresses are 16kb aligned. The hashfn uses bits 13 to 21 as the index for the hash. I can move this window up to bits 18-26 if it improves the hash spread.
Joerg
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