Two fixes for issues I stumbled over while working on patch #3. Switch back to the good ol' OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM as the switch to the shrinker introduce some undesired side effects. Keep the shrinker in place to handle VIRTIO_BALLOON_F_FREE_PAGE_HINT. Lengthy discussion under [1]. I tested with QEMU and "deflate-on-oom=on". Works as expected. Did not test the shrinker for VIRTIO_BALLOON_F_FREE_PAGE_HINT, as it is hard to trigger (only when migrating a VM, and even then, it might not trigger). [1] https://www.spinics.net/lists/linux-virtualization/msg40863.html David Hildenbrand (3): virtio-balloon: Fix memory leak when unloading while hinting is in progress virtio_balloon: Fix memory leaks on errors in virtballoon_probe() virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM drivers/virtio/virtio_balloon.c | 124 +++++++++++++++----------------- 1 file changed, 57 insertions(+), 67 deletions(-) -- 2.24.1
