diff options
| author | Jonathan Helman <jonathan.helman@oracle.com> | 2018-04-18 10:10:19 -0700 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2018-05-23 20:24:24 +0300 |
| commit | 64d1a58f3ffe37ee28c0bc0c34bece8ebd1f6356 (patch) | |
| tree | c4e452a17722e1b20664b412aa92f6600055cafc /content.tex | |
| parent | 846540e243f1aaf17a1e4cb2644cc57c175ec8ab (diff) | |
content: document hugetlb page allocation counts
The Linux kernel exports the number of successful and failed
hugetlb page allocations via the virtio balloon driver. These
two counts need to be documented in this specification.
Fixes: https://github.com/oasis-tcs/virtio-spec/issues/8
Signed-off-by: Jonathan Helman <jonathan.helman@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'content.tex')
| -rw-r--r-- | content.tex | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/content.tex b/content.tex index 7a92cb1..110ab70 100644 --- a/content.tex +++ b/content.tex @@ -4516,6 +4516,8 @@ struct virtio_balloon_stat { #define VIRTIO_BALLOON_S_MEMTOT 5 #define VIRTIO_BALLOON_S_AVAIL 6 #define VIRTIO_BALLOON_S_CACHES 7 +#define VIRTIO_BALLOON_S_HTLB_PGALLOC 8 +#define VIRTIO_BALLOON_S_HTLB_PGFAIL 9 le16 tag; le64 val; } __attribute__((packed)); @@ -4604,6 +4606,12 @@ first buffer. \item[VIRTIO_BALLOON_S_CACHES (7)] The amount of memory, in bytes, that can be quickly reclaimed without additional I/O. Typically these pages are used for caching files from disk. + +\item[VIRTIO_BALLOON_S_HTLB_PGALLOC (8)] The number of successful hugetlb page + allocations in the guest. + +\item[VIRTIO_BALLOON_S_HTLB_PGFAIL (9)] The number of failed hugetlb page + allocations in the guest. \end{description} \section{SCSI Host Device}\label{sec:Device Types / SCSI Host Device} |