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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:33 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:33 +0000
commit282c335ad1bf4d21fcedff132e19995c24c09adc (patch)
treed24dc7bfbb3a6b4bfd5b46964347ada86f72d751 /drivers/virtio/virtio_balloon.c
parentAdding upstream version 4.19.289. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 4.19.304.upstream/4.19.304upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--drivers/virtio/virtio_balloon.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 1afcbef39..017444b3f 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -345,7 +345,11 @@ static inline s64 towards_target(struct virtio_balloon *vb)
if (!virtio_has_feature(vb->vdev, VIRTIO_F_VERSION_1))
num_pages = le32_to_cpu((__force __le32)num_pages);
- target = num_pages;
+ /*
+ * Aligned up to guest page size to avoid inflating and deflating
+ * balloon endlessly.
+ */
+ target = ALIGN(num_pages, VIRTIO_BALLOON_PAGES_PER_PAGE);
return target - vb->num_pages;
}