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Re: [Qemu-devel] How to enable more than 2047 MB RAM on 32 bit host syst
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From: |
Erik Rull |
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Subject: |
Re: [Qemu-devel] How to enable more than 2047 MB RAM on 32 bit host systems for 32 bit guests? |
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Date: |
Tue, 27 May 2014 13:35:17 +0200 (CEST) |
Hi Gerd,
okay, that makes sense. What is the theoretical max. amount that can be
assigned? QEMU with KVM has less than 200MB overhead, so 2.5GB should be
possible, right?
Best regards,
Erik
> On May 27, 2014 at 1:28 PM Gerd Hoffmann <address@hidden> wrote:
>
>
> On Di, 2014-05-27 at 09:33 +0200, Erik Rull wrote:
> > Hi all,
> >
> > I would like to provide 3GB of RAM to my guest - I use kvm and don't see a
> > real
> > reason why this should not work. Currently, qemu-1.7.0 with kvm is in use.
>
> No way. Userspace has 3G address space on 32bit machines, and you can't
> assign all of that to the guest as qemu needs memory for itself too ...
>
> cheers,
> Gerd
>
>