Re: large memory support for x86

From: Kiril Vidimce (
Date: Thu Oct 12 2000 - 12:36:38 EST

On Thu, 12 Oct 2000, Oliver Xymoron wrote:
> On Wed, 11 Oct 2000, Kiril Vidimce wrote:
> > My primary concern is whether a process can allocate more than 4 GB of
> > memory, rather than just be able to use more than 4 GB of physical
> > memory in the system.
> Define allocate. There are tricks you can play, but userspace is still a
> flat 32-bit address space per-process.

Allocate = malloc(). The process needs to be able to operate on >4 GB
chunks of memory. I understand that it's only a 32 bit address space
which is why I was surprised when I read that Linux 2.4.x will support
upwards of 64 GB's of memory.

Thanks for all the responses.


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