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- #ifndef _LINUX_VIRTIO_BALLOON_H
- #define _LINUX_VIRTIO_BALLOON_H
- /* This header is BSD licensed so anyone can use the definitions to implement
- * compatible drivers/servers. */
- #include <linux/virtio_config.h>
-
- /* The ID for virtio_balloon */
- #define VIRTIO_ID_BALLOON 5
-
- /* 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. */
- __le32 num_pages;
- /* Number of pages we've actually got in balloon. */
- __le32 actual;
- };
- #endif /* _LINUX_VIRTIO_BALLOON_H */
-