diff options
| author | Tomáš Golembiovský <tgolembi@redhat.com> | 2018-02-22 13:50:52 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2018-03-20 02:58:44 +0200 |
| commit | 58622197571d5160c6cb7f95a112f87ee604f703 (patch) | |
| tree | a181a1044e8a61457db253452a3e6cb14a705023 | |
| parent | 88c8553838346b26be4460485cc57c38850b36f7 (diff) | |
content: document balloon memory statistics
Linux kernel provides some balloon memory statistics that were not
included in the specs. Include them to avoid any ID clashes in the
future.
Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Fixes: https://github.com/oasis-tcs/virtio-spec/issues/4
Approved-by: https://www.oasis-open.org/apps/org/workgroup/virtio/ballot.php?id=3180
| -rw-r--r-- | content.tex | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/content.tex b/content.tex index 2e75b5e..7fa9a65 100644 --- a/content.tex +++ b/content.tex @@ -4513,6 +4513,8 @@ struct virtio_balloon_stat { #define VIRTIO_BALLOON_S_MINFLT 3 #define VIRTIO_BALLOON_S_MEMFREE 4 #define VIRTIO_BALLOON_S_MEMTOT 5 +#define VIRTIO_BALLOON_S_AVAIL 6 +#define VIRTIO_BALLOON_S_CACHES 7 le16 tag; le64 val; } __attribute__((packed)); @@ -4594,6 +4596,13 @@ first buffer. \item[VIRTIO_BALLOON_S_MEMTOT (5)] The total amount of memory available (in bytes). + +\item[VIRTIO_BALLOON_S_AVAIL (6)] An estimate of how much memory is available + (in bytes) for starting new applications, without pushing the system to swap. + +\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. \end{description} \section{SCSI Host Device}\label{sec:Device Types / SCSI Host Device} |