Re: [RFC] VM: I have a dream...

[Avi Kivity]

Al Boldi wrote:

> A long time ago, when i was a kid, I had dream. It went like this:
>
> I am waking up in the twenty-first century and start my computer.
> After completing the boot sequence, I start top to find that my memory is 
> equal to total disk-capacity.  What's more, there is no more swap.
> Apps are executed inplace, as if already loaded.
> Physical RAM is used to cache slower storage RAM, much the same as the CPU 
> cache RAM caches slower physical RAM.
>
>  
I'm sure you can find a 4GB disk on ebay.

> When I woke up, I was really looking forward for the new century.
>
> Sadly, the current way of dealing with memory can at best only be described 
> as schizophrenic.  Again the reason being, that we are still running in the 
> last-century mode.
>
> Wouldn't it be nice to take advantage of todays 64bit archs and TB drives, 
> and run a more modern way of life w/o this memory/storage split personality?
>  
Perhaps you'd be interested in single-level store architectures, where 
no distinction is made between memory and storage. IBM uses it in one 
(or maybe more) of their systems. A particularly interesting example is 
http://www.eros-os.org.

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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