Re: [PATCH] nommu arch dont zero the anonymous mapping by addingUNINITIALIZE flag

[Alan Cox]

> Summary is, when I run the app "time test",
> 
> on x86:
> real    0m0.066s
> user    0m0.008s
> sys     0m0.058s
> 
> on Blackfin:
> real    3m 37.69s
> user    0m 0.04s
> sys     3m 37.58s

What would be relevant would be Blackfin with clearing and blackfin
without

> ---------------------------------------------------------------
> So now the question is,
> Keep the same behave as MMU but with bad performance, or keep the same
> performance as MMU but without the same behave, Which one is more
> important?

Behaviour.

You can implement a /dev/pages that is a copy of /dev/zero in tiny
amounts of code and use that for the specific problem cases.

Alan
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