From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: Is there any consumer of virtio-balloon now?
Date: Sun, 23 Mar 2014 17:28:19 +0100
Message-ID: <532F0BA3.7020201@redhat.com>
References: <CAB+V_5MAPDERn5mQ5DpaGM_zf9QBCRUT=4kfiY=WCinQRUV-Yw@mail.gmail.com> <532BFD77.40803@redhat.com> <532D7FDB.3010406@gmail.com>
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Il 22/03/2014 13:19, Kai Huang ha scritto:
> Thanks Paolo. What's the user space tool / command to trigger the
> virtio_balloon functionality? Basically I am looking for the whole code
> patch that triggers the virtio_balloon.

The trigger is QEMU's "balloon" command, which you can use if you invoke 
QEMU directly, or virsh's "setmem" command if you use libvirt.

Paolo