Propagate balloon stats to mm core.
https://jira.sw.ru/browse/PSBM-142436
Signed-off-by: Alexander Atanasov <alexander.atana...@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 e8cefeea4f22..8c2a03e2be44 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -341,6 +341,7 @@ static inline s64 towards_target(struct virtio_balloon *vb)
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. */
if (!virtio_has_feature(vb->vdev, VIRTIO_F_VERSION_1))
@@ -348,6 +349,10 @@ static void update_balloon_size(struct virtio_balloon *vb)
virtio_cwrite(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);
}
/*
--
2.31.1
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