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To: Manfred Spraul <manfred@colorfullife.com>
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Subject: Re: [RFT][PATCH] generic device DMA implementation 
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manfred@colorfullife.com said:
> If multiple kmalloc buffers fit into one cacheline, then it can happen
>  all the time. But the smallest kmalloc buffer is 64 bytes [assuming
> page  size > 4096].

Actually, I did forget to mention that on parisc non-coherent, the minimum 
kmalloc allocation is the cache line width, so that problem cannot occur.

Hmm, perhaps that is an easier (and faster) approach to fixing the problems on 
non-coherent platforms?

James


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