Re: [linux-usb-devel] Re: usb-storage not suitable for swapping

[Oliver Neukum]

Am Sonntag, 16. September 2001 00:03 schrieben Sie:
> Actually, looking at this.... does the devrequest structure need to be
> allocated in DMA-able memory?  Could I get away with it being on the stack?
>
> Yes, I know that stack-allocated memory is DMA-able _now_, but it won't be
> in the future.  I already violate that rule in several key places, but I'd
> like to be moving in the correct direction on this...

I am not sure that the stack is necessaryly DMA-able on all architectures.
How about a 64bit machine with more than 4GB of RAM ?

        Regards
                Oliver

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