[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Dynamic Memory Management and Migration (3.0.4-0)
Timo Benk wrote: > Daniel P. Berrange wrote: >> On Wed, Jan 31, 2007 at 04:29:25PM +0100, Timo Benk wrote: >>> Hello, >>> >>> i noticed the following Problem: >>> >>> if i want to allow dynamic memory management of Linux-domains, i need to >>> set the following kernel parameter. Otherwise it is not possible, to >>> increase the memory of the domain above the initial assigned value: >>> >>> extra = "mem=10240M" >> That should not be neccessary. We fixed the Hypervisor to implement the >> neccessary magic so that XenD can utilize the 'maxmem' parameter in >> guest config files correctly So for example >> >> mem=500 >> maxmem=800 >> >> Will make the guest VM boot up with 500 MB of initial RAM. It will also >> tell it to allocate page tables entries big enough to address 800 MB of >> RAM. So after boot up, you will be able to balloon the guest upto this >> maxmimum of 800 MB simply using 'xm mem-set 800'. > A quick test with 3.0.4-0 does not work on my side. I will try it again > tomorrow with 3.0.4-1. I dunno when the patch was applied to the xen source. Setting only the maxmem Parameter does not work in 3.0.4-1 too. Conclusion: Currently Dynamic Memory Management and Migration does not work together in the current stable tree. Anybody who knows when this feature will be available to the masses? 3.0.5 i assume? greetings, -timo -- Timo Benk - Jabber ID: fry@xxxxxxxxxxxx - ICQ ID: #414944731 PGP Public Key: http://m28s01.vlinux.de/timo_benk_gpg_key.asc _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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