Mailing List Archive: memory in DomU

On 1/17/20 1:18 AM, Christoph wrote:
> Hi
>
> I have configured a dom U with 2GB of RAM:
>
> (config)
> maxmem = 2048
> memory = 2048
>
> but if I start the domU I see inside only 1.9GB (mem: 2037688). Why?
> It is better for a Linux PV domU to "oversize" the RAM to get even size
> (whole 2GB) inside the domU?
> If yes what is the count of bytes what I should to add?
>
> The same questions for HVM domU's and dom0 RAM limit...
>

Have you tried similar comparisons on physical machines?

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