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-rw-r--r--hw/virtio/virtio-balloon.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index 7bfbb75ad3..41b24c9ddd 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -294,10 +294,12 @@ static void virtio_balloon_set_config(VirtIODevice *vdev,
VirtIOBalloon *dev = VIRTIO_BALLOON(vdev);
struct virtio_balloon_config config;
uint32_t oldactual = dev->actual;
+ ram_addr_t vm_ram_size = get_current_ram_size();
+
memcpy(&config, config_data, sizeof(struct virtio_balloon_config));
dev->actual = le32_to_cpu(config.actual);
if (dev->actual != oldactual) {
- qapi_event_send_balloon_change(ram_size -
+ qapi_event_send_balloon_change(vm_ram_size -
((ram_addr_t) dev->actual << VIRTIO_BALLOON_PFN_SHIFT),
&error_abort);
}
@@ -312,20 +314,21 @@ static uint32_t virtio_balloon_get_features(VirtIODevice *vdev, uint32_t f)
static void virtio_balloon_stat(void *opaque, BalloonInfo *info)
{
VirtIOBalloon *dev = opaque;
- info->actual = ram_size - ((uint64_t) dev->actual <<
- VIRTIO_BALLOON_PFN_SHIFT);
+ info->actual = get_current_ram_size() - ((uint64_t) dev->actual <<
+ VIRTIO_BALLOON_PFN_SHIFT);
}
static void virtio_balloon_to_target(void *opaque, ram_addr_t target)
{
VirtIOBalloon *dev = VIRTIO_BALLOON(opaque);
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
+ ram_addr_t vm_ram_size = get_current_ram_size();
- if (target > ram_size) {
- target = ram_size;
+ if (target > vm_ram_size) {
+ target = vm_ram_size;
}
if (target) {
- dev->num_pages = (ram_size - target) >> VIRTIO_BALLOON_PFN_SHIFT;
+ dev->num_pages = (vm_ram_size - target) >> VIRTIO_BALLOON_PFN_SHIFT;
virtio_notify_config(vdev);
}
}