virtio_balloon: include disk/file caches memory statistics

Add a new field VIRTIO_BALLOON_S_CACHES to virtio_balloon memory statistics protocol. The value represents all disk/file caches. In this case it corresponds to the sum of values Buffers+Cached+SwapCached from /proc/meminfo.

Tomáš Golembiovský committed 9 years ago

Commit 4d320291 parent d8a5b802 files · +6 −1Browse files

Showing the changes to include/uapi/linux (1 of 2 files). Show all

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include/uapi/linux/virtio_balloon.h+2−1

@@ -52,7 +52,8 @@ struct virtio_balloon_config { · 51 unmodified lines
52	52	#define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */
53	53	#define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */
54	54	#define VIRTIO_BALLOON_S_AVAIL 6 /* Available memory as in /proc */
55		−#define VIRTIO_BALLOON_S_NR 7
	55	+#define VIRTIO_BALLOON_S_CACHES 7 /* Disk caches */
	56	+#define VIRTIO_BALLOON_S_NR 8
56	57
57	58	/*
58	59	* Memory statistics structure.