linux-kernel - Re: How to make all of 4GB of memory available?

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Date:	Wed, 1 Oct 2008 21:19:04 -0400
From:	Wakko Warner <wakko@...mx.eu.org>
To:	Robert Hancock <hancockr@...w.ca>
Cc:	Gene Heskett <gene.heskett@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: How to make all of 4GB of memory available?

Robert Hancock wrote:
> Gene Heskett wrote:
> >New mobo, 4 core AMD Phenom cpu & 4 GB of dram.  I cannot find the switch 
> >in a make xconfig that will allow use of all of it, I am only seeing 3GB.
> >
> >Am I going blind in my dotage?
> >
> >Thanks.
> >
> 
> HIGHMEM64G. Or better yet, use a 64-bit kernel.

It may be a little odd, but I have a 64-bit x86 that I'm running 32-bit
kernel.  Mostly because I had some odd problems with various programs I was
using.  But was what more odd was the fact that I had a little less memory
(~100mb) with a 64-bit kernel than with a 32-bit PAE kernel.

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