Re: How to use memory over 4GB

[Roberto Fichera]

At 16.17 16/05/2005, Eric Dumazet wrote:

> Roberto Fichera a écrit :
>
> > > But still you need a 4GB/4GB user/kernel split, because the standard is 
> > > 3GB/1GB.
> >
> > Why I need 4GB/4GB split? What are the beneficts?
>
> Well... 4GB for your process is better than 3GB, that's 33% more space...

Right! So, the 4GB/4GB split and tmpfs pair should be the best solution to
address as much memory possible on a single user process.

> If your process is cpu bounded (and not issuing too many system calls),
> then 4GB/4GB split let it address more ram, reducing the need to shift 
> windows in
> mmaped files for example.

... any source code that explain better what you say ;-)!


> Eric

Roberto Fichera. 

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