[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-users] Cannot prevent memory reclamation from Dom0
I am trying to set up an environment where dom0 is provided with a fixed amount of memory (say 1024 MB) that doesn't change as new domUs are started on the host. For this purpose I have done the following:
A) Set dom0_mem=1024m in grub.conf.
B) Set dom0-min-mem to 1024 in /etc/xen/xend-config.sxp.
C) Set enable-dom0-ballooning to 'no' in /etc/xen/xend-config.sxp.
As long the memory on the host is under-committed, dom0 gets its 1024 MB (as shown by xl list). However, when I start enough domUs, I notice that some memory gets reclaimed from dom0, to satisfy the incoming domU. However, this shouldn't be happening because
of (B) and (C) above.
Are the dom0-min-mem and enable-dom0-ballooning controls broken?
I am running Xen 4.0.1 with a CentOS 2.6.32 dom0.
Any thoughts/suggestions will be most appreciated.
Thanks.
-Anil
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