[SLL] 32 bit distro that supports 4GB ram with stock kernel

[Kurt Buff]

Does your machine use a 64-bit-capable proc? Do none of the linux
distros have a 64bit version, like amd64 FreeBSD?

On Wed, Apr 2, 2008 at 7:54 AM, Eric Kahklen <eric at kahklen.com> wrote:
> Here is a "How To" I found on the subject.
>
>  http://www.kreno.be/2007/11/22/howto-ubuntu-4gb-memory-support/
>
>  I'd like to avoid building custom kernels if possible.  Is this an Ubuntu
> specific issue? or do other distros have the same problem?
>
>  Thanks,
>  Eric
>
>
>  On Apr 2, 2008, at 7:08 AM, Jesse Keating wrote:
>
>
> > On Wed, 2008-04-02 at 07:01 -0700, Brian C. Lane wrote:
> >
> > >
> > > Actually, that sounds right. What happens is that the kernel uses a 4G
> > > virtual space for each process, and reserves a bit of it for itself. So
> > > when you hit 4G the usable amount of space is actually 4G - Kernel
> Memory.
> > >
> > > Here is an article that does a good job of describing it:
> > >
> > > http://kerneltrap.org/node/2450
> > >
> >
> > Not really, as nothing on this page really states that 3G is the max a
> > 32bit kernel can see.  It talks about 1G without HIGHMEM, or two
> > different HIGHMEM barriers, 4G and 64G.
> >
> > I still posit that Ubuntu claiming that their 32bit kernels only support
> > up to 3G of ram seems fishy.
> >
> > --
> > Jesse Keating RHCE      (jkeating.livejournal.com)
> > Fedora Project          (fedoraproject.org/wiki/JesseKeating)
> > GPG Public Key          (geek.j2solutions.net/jkeating.j2solutions.pub)
> >
>
>