Re: Actual dom0 memory much lower than dom0_mem setting

[Andy Smith <andy@xxxxxxxxxxxxxx>]

Hi Jürgen,

On Wed, Apr 08, 2026 at 03:26:05PM +0200, Jürgen Groß wrote:
> On 03.04.26 17:23, Andy Smith wrote:
> > So, aiming to get a usable 8192M dom0 memory, I bumped it up by the
> > shortfall of 1839M:
> > 
> > $ sudo xl info | grep xen_commandline
> > xen_commandline        : placeholder dom0_mem=10031M dom0_max_vcpus=2 
> > com1=115200,8n1,0x2f8,10 console=com1,vga ucode=scan smt=1 no-real-mode 
> > edd=off
> 
> In case you don't need to balloon dom0 up, you can use 
> "dom0_mem=8192,max:8192"

Ah, thanks! I used to use the max part a long time ago, I forget why I
stopped doing so. Using that has made things a bit better: now it sees
7914M. Is that expected?

I've attached another /proc/iomem.

Thanks,
Andy

Attachment: iomem.txt
Description: Text document