Re: [RFT][PATCH] generic device DMA implementation

James Bottomley (James.Bottomley@SteelEye.com)
Sat, 28 Dec 2002 12:40:11 -0600

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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