summaryrefslogtreecommitdiff
path: root/include/linux/virtio_balloon.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/virtio_balloon.h')
-rw-r--r--include/linux/virtio_balloon.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/virtio_balloon.h b/include/linux/virtio_balloon.h
index c30c7bf..8726ff7 100644
--- a/include/linux/virtio_balloon.h
+++ b/include/linux/virtio_balloon.h
@@ -10,6 +10,9 @@
/* The feature bitmap for virtio balloon */
#define VIRTIO_BALLOON_F_MUST_TELL_HOST 0 /* Tell before reclaiming pages */
+/* Size of a PFN in the balloon interface. */
+#define VIRTIO_BALLOON_PFN_SHIFT 12
+
struct virtio_balloon_config
{
/* Number of pages host wants Guest to give up. */