I have recompiled kernel and I am going to reboot is there any downside
to comiling the kernel for 64 gigs instead of 4 gigs if the box will
only have 2 gigs?
By default it seems the kernel only supports 960 mb so what is the
reason for only 960 instead of just supporting 64 gigs by default?
Jim
On Thu, 2004-06-03 at 18:51, Jay Jacobson wrote:
> Bryce is right on. The HIGHMEM option is not in the kernel, thus it will
> only see 896MB of physical RAM. You will need to recompile the kernel with
> this enabled. From 'make menuconfig', see the "Processor type and features
> -> HIGHMEM I/O support" stuff.
>
> ~Jay
>
> ..
> .. Jay Jacobson
> .. Edgeos, Inc. - 480.961.5996 - http://www.edgeos.com
> ..
> .. Network Security Auditing and
> .. Vulnerability Assessment Managed Services
> ..
>
>
>
> On Thu, 3 Jun 2004, Bryce C wrote:
>
> > More than likely, I think the kernel doesn't support 1Gb+ of memory.
> > Don't know about debian specifically, but distros like mandrake package
> > separate kernels for higher limits, or you can compile your own kernel
> > (not for novices).
> >
> > On Thu, 2004-06-03 at 16:28, elemint@theriver.com wrote:
> > > So the system does not just detect the new amount of memory?
> > >
> > > I use grub, but I will look for an option like that.
> > >
> > >
> > >
> > > jim
> > >
> > >
> > > > There is an option that needs to be fed to Lilo that shows the amount of
> > > > RAM
> > > > that a system has
> > > >
> > > > something like
> > > > append=Mem=1536M
> > > >
> > > >> I added some memory to a Dell server running debian and the bios
> > > >> reported
> > > >> that it detected more memory during the next bootup but when I did a
> > > >> free
> > > >> It does not seem to report more memory, there is a more that normal that
> > > >> is free but not 512 mb free.
> > > >>
> > > >> I went from 1 gig to 1.5 gigs of memory, not sure if Debian sees it this
> > > >> way.
> > > >>
> > > >>
> > > >> total used free shared buffers
> > > >> cached
> > > >> Mem: 903688 817132 86556 0 134824
> > > >> 322400
> > > >> -/+ buffers/cache: 359908 543780
> > > >> Swap: 2032212 0 2032212
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