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Subject[PATCH v2 4/4] drivers: virtio: balloon - update inflated memory
Date
Update the inflated memory when it changes.

Signed-off-by: Alexander Atanasov <alexander.atanasov@virtuozzo.com>
---
drivers/virtio/virtio_balloon.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 6f69e483d98a..c8093c704c2f 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -450,10 +450,15 @@ static void virtballoon_changed(struct virtio_device *vdev)
static void update_balloon_size(struct virtio_balloon *vb)
{
u32 actual = vb->num_pages;
+ long inflated_kb = actual << (VIRTIO_BALLOON_PFN_SHIFT - 10);

/* Legacy balloon config space is LE, unlike all other devices. */
virtio_cwrite_le(vb->vdev, struct virtio_balloon_config, actual,
&actual);
+ if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_DEFLATE_ON_OOM))
+ balloon_set_inflated_free(inflated_kb);
+ else
+ balloon_set_inflated_total(inflated_kb);
}

static void update_balloon_stats_func(struct work_struct *work)
--
2.31.1
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