Re: [Xen-users] Increase Domain 0 memory

[Peter Milesson <miles@xxxxxxxx>]

Hi,

The dom0_mem parameter locks the dom0 memory to the given amount (which is good for performance). You cannot balloon it at runtime. According to the documentation (and experiments) you should also pin dom0 to use specific cpus and keep domUs off those reserved cpus.

HTH,

Peter

On 14.2.2012 4:44, KC LO wrote:

Hi all,

I have added the memory limit option in menu.lst of grub of Domain 0 like

/boot/*xen*.gz dom0_max_vcpus=1 *dom0_mem*=1024M

The domain 0 under xen can limit to 1024M.  Now, I want to increase Domain
0 memory to 4GB and I have used xm mem-set command to increase Domain 0
memory.  However, top of Domain0 still shows 1GB ram.  Any help on it
without rebooting server?

Thanks!

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