Re: [Qemu-devel] ballooning not working on hotplugged pc-dimm

2014-09-11 Thread Paolo Bonzini
Il 11/09/2014 03:57, Michael R. Hines ha scritto: Why does hotplugging use a different name? This also affects RDMA live migration - we are explicitly looking up pc.ram ram blocks and pinning them for memory registration with Linux. Are we? I cannot see any code that special cases pc.ram

Re: [Qemu-devel] ballooning not working on hotplugged pc-dimm

2014-09-11 Thread Michael R. Hines
On 09/11/2014 02:22 PM, Paolo Bonzini wrote: Il 11/09/2014 03:57, Michael R. Hines ha scritto: Why does hotplugging use a different name? This also affects RDMA live migration - we are explicitly looking up pc.ram ram blocks and pinning them for memory registration with Linux. Are we? I

Re: [Qemu-devel] ballooning not working on hotplugged pc-dimm

2014-09-11 Thread zhanghailiang
On 2014/9/11 14:27, Michael R. Hines wrote: On 09/11/2014 02:22 PM, Paolo Bonzini wrote: Il 11/09/2014 03:57, Michael R. Hines ha scritto: Why does hotplugging use a different name? This also affects RDMA live migration - we are explicitly looking up pc.ram ram blocks and pinning them for

Re: [Qemu-devel] ballooning not working on hotplugged pc-dimm

2014-09-10 Thread zhanghailiang
On 2014/9/9 11:05, Alexandre DERUMIER wrote: Hello, I was playing with pc-dimm hotplug, and I notice that balloning is not working on memory space of pc-dimm devices. example: qemu -m size=1024,slots=255,maxmem=15000M #free -m : 1024M - qmp balloon 512M #free -m : 512M - hotplug pc-dimm

Re: [Qemu-devel] ballooning not working on hotplugged pc-dimm

2014-09-10 Thread Michael R. Hines
On 09/10/2014 05:00 PM, zhanghailiang wrote: On 2014/9/9 11:05, Alexandre DERUMIER wrote: Hello, I was playing with pc-dimm hotplug, and I notice that balloning is not working on memory space of pc-dimm devices. example: qemu -m size=1024,slots=255,maxmem=15000M #free -m : 1024M - qmp

[Qemu-devel] ballooning not working on hotplugged pc-dimm

2014-09-08 Thread Alexandre DERUMIER
Hello, I was playing with pc-dimm hotplug, and I notice that balloning is not working on memory space of pc-dimm devices. example: qemu -m size=1024,slots=255,maxmem=15000M #free -m : 1024M - qmp balloon 512M #free -m : 512M - hotplug pc-dimm 1G: #free -m : 1512M (This is the same