VIOMB(4) | Device Drivers Manual | VIOMB(4) |
viomb
— VirtIO
memory ballooning driver
viomb* at virtio?
The viomb
driver supports the
virtio-compliant memory ballooning device.
Memory ballooning works as follows:
viomb
driver requests allocation of that
amount of physical memory from the OpenBSD memory
management system.viomb
device tells the hypervisor the guest
physical memory address of the allocated memory via the VirtIO memory
ballooning device.Rusty Russell, IBM Corporation, Virtio PCI Card Specification, http://ozlabs.org/~rusty/virtio-spec/.
The viomb
device driver first appeared in
OpenBSD 5.3.
January 16, 2013 | OpenBSD-current |