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-rw-r--r--docs/virtio-balloon-stats.txt2
-rw-r--r--hw/virtio/virtio-balloon.c2
-rw-r--r--include/standard-headers/linux/virtio_balloon.h4
3 files changed, 7 insertions, 1 deletions
diff --git a/docs/virtio-balloon-stats.txt b/docs/virtio-balloon-stats.txt
index 7a66d25..9985e1d 100644
--- a/docs/virtio-balloon-stats.txt
+++ b/docs/virtio-balloon-stats.txt
@@ -34,6 +34,8 @@ which will return a dictionary containing:
- stat-total-memory
- stat-available-memory
- stat-disk-caches
+ - stat-htlb-pgalloc
+ - stat-htlb-pgfail
o A key named last-update, which contains the last stats update
timestamp in seconds. Since this timestamp is generated by the host,
diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index f456cea..1f7a87f 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -52,6 +52,8 @@ static const char *balloon_stat_names[] = {
[VIRTIO_BALLOON_S_MEMTOT] = "stat-total-memory",
[VIRTIO_BALLOON_S_AVAIL] = "stat-available-memory",
[VIRTIO_BALLOON_S_CACHES] = "stat-disk-caches",
+ [VIRTIO_BALLOON_S_HTLB_PGALLOC] = "stat-htlb-pgalloc",
+ [VIRTIO_BALLOON_S_HTLB_PGFAIL] = "stat-htlb-pgfail",
[VIRTIO_BALLOON_S_NR] = NULL
};
diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h
index 7b0a41b..e446805 100644
--- a/include/standard-headers/linux/virtio_balloon.h
+++ b/include/standard-headers/linux/virtio_balloon.h
@@ -53,7 +53,9 @@ struct virtio_balloon_config {
#define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */
#define VIRTIO_BALLOON_S_AVAIL 6 /* Available memory as in /proc */
#define VIRTIO_BALLOON_S_CACHES 7 /* Disk caches */
-#define VIRTIO_BALLOON_S_NR 8
+#define VIRTIO_BALLOON_S_HTLB_PGALLOC 8 /* Hugetlb page allocations */
+#define VIRTIO_BALLOON_S_HTLB_PGFAIL 9 /* Hugetlb page allocation failures */
+#define VIRTIO_BALLOON_S_NR 10
/*
* Memory statistics structure.