From: Iain Buchanan <iaindb@netspace.net.au>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Re: BIOS says 2GB, MemTest86 says 2GB, top says 900MB
Date: Tue, 19 Jan 2010 13:25:21 +0930 [thread overview]
Message-ID: <1263873321.3316.117.camel@localhost> (raw)
In-Reply-To: <5bdc1c8b1001181908w471f759aq928a79dc71883b63@mail.gmail.com>
On Mon, 2010-01-18 at 19:08 -0800, Mark Knecht wrote:
> On Mon, Jan 18, 2010 at 6:09 PM, Mark Knecht <markknecht@gmail.com> wrote:
> > How does memory get reported up to the kernel? Is that something in
> > the kernel (i.e. - choosing the proper chipset support or something)
> > or is it purely the return from some sort of BIOS call? If so can it
> > be tested or circumvented to get the machine to recognize everything
> > I've put in?
> >
> > Thanks,
> > Mark
>
> A very simple test - booting from an old Gentoo install CD - shows 2GB
> - so apparently it's a kernel config issue.
High Memory Support to be precise :) In your case CONFIG_HIGHMEM4G=y
should do.
Processor Type And Features
=> High Memory Support
=> off / 4Gb / 64Gb
--
Iain Buchanan <iaindb at netspace dot net dot au>
Whenever people agree with me, I always think I must be wrong.
- Oscar Wilde
next prev parent reply other threads:[~2010-01-19 3:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-19 2:09 [gentoo-user] BIOS says 2GB, MemTest86 says 2GB, top says 900MB Mark Knecht
2010-01-19 3:08 ` [gentoo-user] " Mark Knecht
2010-01-19 3:55 ` Iain Buchanan [this message]
2010-01-19 4:30 ` Mark Knecht
2010-01-19 5:08 ` Iain Buchanan
2010-01-19 6:36 ` Stroller
2010-01-19 13:59 ` Mark Knecht
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