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[Xen-users] memory in DomU

To: Xen-users@xxxxxxxxxxxxxxxxxxxx
From: Christoph <mangel@xxxxxx>
Date: Fri, 17 Jan 2020 10:18:17 +0100
Delivery-date: Fri, 17 Jan 2020 09:20:04 +0000
List-id: Xen user discussion <xen-users.lists.xenproject.org>

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...

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Greetz

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