Re: 4GB memory and Intel Dual-Core system

From: Andi Kleen
Date: Thu Oct 27 2005 - 17:12:21 EST


Roland Dreier <rolandd@xxxxxxxxx> writes:
>
> I don't know if EM64T systems (or whatever the right term is) have a
> way of remapping some RAM above 4 GB so that you can use all your
> memory in a case like this.

The lower/middle end non server intel chipsets typically only support
4GB of physical address space in hardware. No memory remapping
possible. So with 4GB RAM you always lose to the memory hole.

-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/