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RE: [Xen-users] domU domains with > 1GB RAM

  • To: "Mark Williamson" <mark.williamson@xxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "JHJE (Jan Holst Jensen)" <jhje@xxxxxxxxxxxxxxx>
  • Date: Mon, 9 May 2005 16:53:09 +0200
  • Delivery-date: Mon, 09 May 2005 14:52:51 +0000
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcVUpiWBWEz6+1a0ShGZinREXb7bswAABzRA
  • Thread-topic: [Xen-users] domU domains with > 1GB RAM

> This is actually a standard Linux behaviour: to use more than 
> 1GB RAM on x86, 
> you need to enable CONFIG_HIGHMEM_4G, regardless of whether 
> it's a Xen guest or a native kernel.
> In a XenLinux src tree do:
> make ARCH=xen menuconfig
> The option you want is under X86 Processor Configuration -> 
> High memory support.  Select 4GB and domains using that kernel will 
> happily deal with 1-4GB of allocated RAM.

Ahh! Thanks Mark! That explains it.

-- Jan

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