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Re: [Xen-devel] maxmem pv_ops DomUs

To: Carlos <cechevarne@xxxxxxxxx>
Subject: Re: [Xen-devel] maxmem pv_ops DomUs
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Wed, 2 Jun 2010 18:58:25 +0300
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On Wed, Jun 02, 2010 at 02:02:35PM +0200, Carlos wrote:
>    Hello,
>    I have a problem with the parameter "maxmem" on the configuration file of
>    the domUs.
>    The domUs that I have created with Xenlinux kernel (linux-2.6.18-xen), can
>    assign the maximum memory that I have established in the configuration
>    file without problems.
>    To do this, I use the command xm mem-set <Domain> <Mem>.
>    However, in the domUs pvops Standard Linux kernel, not working properly
>    the command xm mem-set.
>    By making xm list figure that has increased memory, however when making a
>    free -m in the  domU the memory not increased.
>    The version of Xen I'm using is as follows.
>    xen_major: 4
>    xen_minor: 0
>    xen_extra: 0
>    Dom0 Kernel is git pvops "xen/stable-2.6.32.x.".
>    Thanks in advance!

I think the problem is in PV domU kernel.. upstream pvops kernels don't have
memory "hotplug" support yet.

If you use 'xenlinux' kernel in the domU then it should work.

-- Pasi

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