On Wed, 19 Feb 2003, David S. Miller wrote:
> Yes true, storing the two consequetive 32-bit values is better
> for store buffer compression of the cpu. Using memset is much
> more inefficient because you push the full set of data once
> then you push non-compressible stores to the same data through
> the cpu.
>
> I'm not talking out of my ass, I've measured this.
So is the current wisdom something like "always treat dma_addr_t as a u64
and be happy"?
Ion
--
It is better to keep your mouth shut and be thought a fool,
than to open it and remove all doubt.
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