NAME
virtio_balloon —
VirtIO Memory Balloon driver
SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file:
device virtio_balloonAlternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
virtio_balloon_load="YES"
DESCRIPTION
Thevirtio_balloon device driver provides support for
VirtIO memory balloon devices.
The memory balloon allows the guest to, at the request of the hypervisor, return memory allocated to the hypervisor so it can be made available to other guests. The hypervisor can later signal the balloon to return the memory.
SEE ALSO
HISTORY
The virtio_balloon driver was written by
Bryan Venteicher
<bryanv@FreeBSD.org>.
It first appeared in FreeBSD 9.0.