svn commit: r254520 - in head/sys: kern sys

Andre Oppermann andre at freebsd.org
Wed Aug 21 15:33:00 UTC 2013


On 21.08.2013 17:03, Peter Grehan wrote:
>> The way to go should be 4K clusters as they are native to the architecture.
>> IIRC a PCIe DMA can't cross a 4K boundary anyway
>
>   That's a 4G boundary, for some devices.

I meant a single PCIe DMA transaction can be at most 4K before it has to set
up another one?

-- 
Andre



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