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VIRTIO_BALLOON(4)	     Kernel Interfaces Manual	       VIRTIO_BALLOON(4)

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_balloon

     Alternatively, to load the driver as a module at boot time, place the
     following line in loader.conf(5):

	   virtio_balloon_load="YES"

DESCRIPTION
     The virtio_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
     virtio(4)

HISTORY
     The   virtio_balloon   driver   was    written    by    Bryan    Venteicher
     <bryanv@FreeBSD.org>.  It first appeared in FreeBSD 9.0.

FreeBSD ports 15.quarterly	January 22, 2012	       VIRTIO_BALLOON(4)

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<https://man.freebsd.org/cgi/man.cgi?query=virtio_balloon&sektion=4&manpath=FreeBSD+15.1-RELEASE+and+Ports.quarterly>

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