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authorJonathan Helman <jonathan.helman@oracle.com>2018-03-19 15:28:49 -0700
committerMichael S. Tsirkin <mst@redhat.com>2018-05-23 03:14:40 +0300
commitb7b126442977dcfa5641e38b084bd13a0b366cff (patch)
tree52b08e7d20235604254f9772f7c74159825a9c06 /include/standard-headers
parent50a6fa8f939a3448967592e5136afcc063f9a25d (diff)
virtio-balloon: add hugetlb page allocation counts
qemu should read and report hugetlb page allocation counts exported in the following kernel patch: commit 4c3ca37c4a4394978fd0f005625f6064ed2b9a64 Author: Jonathan Helman <jonathan.helman@oracle.com> Date: Mon Mar 19 11:00:35 2018 -0700 virtio_balloon: export hugetlb page allocation counts Export the number of successful and failed hugetlb page allocations via the virtio balloon driver. These 2 counts come directly from the vm_events HTLB_BUDDY_PGALLOC and HTLB_BUDDY_PGALLOC_FAIL. Signed-off-by: Jonathan Helman <jonathan.helman@oracle.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'include/standard-headers')
-rw-r--r--include/standard-headers/linux/virtio_balloon.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h
index 7b0a41b8fc..e446805ae9 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.