Messages in this thread | | | Date | Wed, 19 Feb 2003 17:53:02 -0500 (EST) | From | Ion Badulescu <> | Subject | Re: [PATCH] add new DMA_ADDR_T_SIZE define |
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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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