diff --git a/devices/src/virtio/balloon.rs b/devices/src/virtio/balloon.rs
index bb8e6b26c1..2f78fd619b 100644
--- a/devices/src/virtio/balloon.rs
+++ b/devices/src/virtio/balloon.rs
@@ -79,6 +79,8 @@ const VIRTIO_BALLOON_S_AVAIL: u16 = 6;
 const VIRTIO_BALLOON_S_CACHES: u16 = 7;
 const VIRTIO_BALLOON_S_HTLB_PGALLOC: u16 = 8;
 const VIRTIO_BALLOON_S_HTLB_PGFAIL: u16 = 9;
+const VIRTIO_BALLOON_S_NONSTANDARD_SHMEM: u16 = 65534;
+const VIRTIO_BALLOON_S_NONSTANDARD_UNEVICTABLE: u16 = 65535;
 
 // BalloonStat is used to deserialize stats from the stats_queue.
 #[derive(Copy, Clone)]
@@ -104,6 +106,8 @@ impl BalloonStat {
             VIRTIO_BALLOON_S_CACHES => stats.disk_caches = val,
             VIRTIO_BALLOON_S_HTLB_PGALLOC => stats.hugetlb_allocations = val,
             VIRTIO_BALLOON_S_HTLB_PGFAIL => stats.hugetlb_failures = val,
+            VIRTIO_BALLOON_S_NONSTANDARD_SHMEM => stats.shared_memory = val,
+            VIRTIO_BALLOON_S_NONSTANDARD_UNEVICTABLE => stats.unevictable_memory = val,
             _ => (),
         }
     }
diff --git a/vm_control/src/lib.rs b/vm_control/src/lib.rs
index 38a5158332..a55e705a5f 100644
--- a/vm_control/src/lib.rs
+++ b/vm_control/src/lib.rs
@@ -141,6 +141,8 @@ pub struct BalloonStats {
     pub disk_caches: Option<u64>,
     pub hugetlb_allocations: Option<u64>,
     pub hugetlb_failures: Option<u64>,
+    pub shared_memory: Option<u64>,
+    pub unevictable_memory: Option<u64>,
 }
 
 // BalloonControlResult holds results for BalloonControlCommand defined above.