Re: [libvirt] PATCH: Support memory ballooning for QEMU

On Tue, Mar 10, 2009 at 05:39:22PM +0000, Daniel P. Berrange wrote: > This patch implements full support for memory ballooning in the QEMU > driver. > > - Fix qemudBuildCommandLine() to set the initial boot time VM memory > allocation based off the 'maxmem' config field. > - Add call to 'qemudDomainSetMemoryBalloon' immediately at startup > to make the guest balloon to initial requested allocation. > - In the qemudDomainGetInfo() and qemudDomainDumpXML calls, query > the monitor to find current balloon allocation and update config > - Implement qemudDomainSetMemory() for running guests using the > monitor balloon command > > In all of these scenarios, if the QEMU being used is too old to support > the memory balloon device, the user will get a suitable error or it'll > report the statically defined memory allocation from boot time. Updated, with the bugs Cole noticed fixed.