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authorLinus Torvalds <torvalds@linux-foundation.org>2018-04-11 18:58:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-11 18:58:27 -0700
commite241e3f2bf975788a1b70dff2eb5180ca395b28e (patch)
treea3a297bc547ada3d3bdb973d58abb391866ecc96 /drivers
parente5c372280b9cc1057647b4307757b7885a732a7e (diff)
parent6c64fe7f2adcee21d7c4247f1ec021fd18428fc4 (diff)
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio update from Michael Tsirkin: "This adds reporting hugepage stats to virtio-balloon" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: virtio_balloon: export hugetlb page allocation counts
Diffstat (limited to 'drivers')
-rw-r--r--drivers/virtio/virtio_balloon.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index dfe5684000be..6b237e3f4983 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -272,6 +272,12 @@ static unsigned int update_balloon_stats(struct virtio_balloon *vb)
pages_to_bytes(events[PSWPOUT]));
update_stat(vb, idx++, VIRTIO_BALLOON_S_MAJFLT, events[PGMAJFAULT]);
update_stat(vb, idx++, VIRTIO_BALLOON_S_MINFLT, events[PGFAULT]);
+#ifdef CONFIG_HUGETLB_PAGE
+ update_stat(vb, idx++, VIRTIO_BALLOON_S_HTLB_PGALLOC,
+ events[HTLB_BUDDY_PGALLOC]);
+ update_stat(vb, idx++, VIRTIO_BALLOON_S_HTLB_PGFAIL,
+ events[HTLB_BUDDY_PGALLOC_FAIL]);
+#endif
#endif
update_stat(vb, idx++, VIRTIO_BALLOON_S_MEMFREE,
pages_to_bytes(i.freeram));