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Re: [Xen-users] High Memory Support on systems >1GB
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
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| Subject: | Re: [Xen-users] High Memory Support on systems >1GB |
| From: | Ernst Bachmann <e.bachmann@xxxxxxxx> |
| Date: | Fri, 13 Jan 2006 11:54:40 +0100 |
| Delivery-date: | Fri, 13 Jan 2006 11:01:34 +0000 |
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On Friday 13 January 2006 05:55, John A. Sullivan III wrote: > On a Xen 2.0.7 host with between one and four GB of RAM but no single > domain larger than 880MB, how should kernel High Memory Support be > configured? Should it be off since no domain kernel is using more than > 880? Should dom0 have it enabled to manage all the memory? Should all > the domains have it since they are drawing on a pool larger than 880 MB? > > Is the answer the same for Xen 3.0? Thanks - John Since the xen hypervisor needs the same highmem setting as the kernels running on it, you need the following settings to use all your ram: - 1 GB: no highmem needed 1-3 GB: 3GB higmem 4GB: PAE or 64bit and yes, its the same for xen3 /Ernst _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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