Re: Prezeroing V2 [3/4]: Add support for ZEROED and NOT_ZEROED freemaps

[Linus Torvalds]

On Mon, 27 Dec 2004, Florian Weimer wrote:
> 
> But overwritting with zeros is commonly called "scrubbing", as in
> "password scrubbing".

On the other hand, "memory scrubbing" in an OS sense is most often used
for reading and re-writing the same thing to fix correctable ECC failures.

Anyway, at this point I think the most interesting question is whether it 
actually improves any macro-benchmark behaviour, rather than just a page 
fault latency tester microbenchmark..

		Linus
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