Re: [patch] block layer: kmemcheck fixes

[Linus Torvalds]

On Thu, 7 Feb 2008, David Miller wrote:
> 
> Maybe cpus these days have so much store bandwith that doing
> things like the above is OK, but I doubt it :-)

I seriously doubt the same is true for the IO requests (which are 
different anyway, and tend to happen at a much lower frequency than 
high-speed networking).

I also suspect that your timings were very hardware-dependent in the first 
place (and yes, the long-term effect is likely working against that 
"optimization"), and depend a lot on just how sparse the initialization 
can to be.

		Linus
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