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Date: Tue, 20 Feb 2001 14:31:16 +0100
From: Norbert Roos <n.roos@berlin.de>
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Subject: Re: Probs with PCI bus master DMA to user space
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> Allocate the buffers in the kernel and mmap() them into user space

But the buffers are usually allocated with malloc() by any application
which wants to use my driver.. otherwise my driver would have to offer a
malloc-like function, but I can hardly force the application to use my
own malloc function.