diff options
Diffstat (limited to 'drivers/virtio')
| -rw-r--r-- | drivers/virtio/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/virtio/virtio_balloon.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig index c6683f2e396c..00b228638274 100644 --- a/drivers/virtio/Kconfig +++ b/drivers/virtio/Kconfig @@ -25,6 +25,7 @@ config VIRTIO_PCI config VIRTIO_BALLOON tristate "Virtio balloon driver" depends on VIRTIO + select MEMORY_BALLOON ---help--- This driver supports increasing and decreasing the amount of memory within a KVM guest. diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 2bad7f9dd2ac..f893148a107b 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -396,6 +396,7 @@ static int virtballoon_migratepage(struct balloon_dev_info *vb_dev_info, spin_lock_irqsave(&vb_dev_info->pages_lock, flags); balloon_page_insert(vb_dev_info, newpage); vb_dev_info->isolated_pages--; + __count_vm_event(BALLOON_MIGRATE); spin_unlock_irqrestore(&vb_dev_info->pages_lock, flags); vb->num_pfns = VIRTIO_BALLOON_PAGES_PER_PAGE; set_page_pfns(vb->pfns, newpage); |