From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Gene Heskett <gene.heskett@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: How to make all of 4GB of memory available?
Date: Wed, 01 Oct 2008 15:38:06 -0700 [thread overview]
Message-ID: <48E3FBCE.8030103@goop.org> (raw)
In-Reply-To: <200810011417.00595.gene.heskett@gmail.com>
Gene Heskett wrote:
> Greetings;
>
> 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?
Does it all appear in the e820 map? If not, then the chipset is
probably masking it; check to see if there's any likely-looking BIOS
options to make it appear.
I assume you're compiling for either 32-bit PAE or 64-bit. If you're
compiling 32-bit without PAE (HIGHMEM64G) then the remaining Gbyte may
simply be above 4G and out of the kernel's reach.
J
next prev parent reply other threads:[~2008-10-01 22:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-01 18:17 How to make all of 4GB of memory available? Gene Heskett
2008-10-01 18:28 ` Chris Friesen
2008-10-01 21:08 ` Kasper Sandberg
2008-10-01 22:38 ` Jeremy Fitzhardinge [this message]
[not found] <fa.LzFGkHEK7iy88LF74OslLpTs7d0@ifi.uio.no>
2008-10-02 0:21 ` Robert Hancock
2008-10-02 1:19 ` Wakko Warner
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