diff options
| -rw-r--r-- | drivers/virtio/virtio_balloon.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 8543c9a97307..7efc32945810 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -157,7 +157,9 @@ static void fill_balloon(struct virtio_balloon *vb, size_t num) } set_page_pfns(vb->pfns + vb->num_pfns, page); vb->num_pages += VIRTIO_BALLOON_PAGES_PER_PAGE; - adjust_managed_page_count(page, -1); + if (!virtio_has_feature(vb->vdev, + VIRTIO_BALLOON_F_DEFLATE_ON_OOM)) + adjust_managed_page_count(page, -1); } /* Did we get any? */ @@ -173,7 +175,9 @@ static void release_pages_balloon(struct virtio_balloon *vb) /* Find pfns pointing at start of each page, get pages and free them. */ for (i = 0; i < vb->num_pfns; i += VIRTIO_BALLOON_PAGES_PER_PAGE) { struct page *page = balloon_pfn_to_page(vb->pfns[i]); - adjust_managed_page_count(page, 1); + if (!virtio_has_feature(vb->vdev, + VIRTIO_BALLOON_F_DEFLATE_ON_OOM)) + adjust_managed_page_count(page, 1); put_page(page); /* balloon reference */ } } |