LAKITU: Guest Driver change to add support for min balloon size
1. add feature bit:VIRTIO_BALLOON_F_MIN_BALLOON_SIZE.
2. add new configuration field min_balloon_pages.
3. if new feature bit enabled, balloon will only be deflated to
min_balloon_pages when oom happen.
Change-Id: I245a9c63f8236daa57aad06b799100a219033309
Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/41511
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Oleksandr Tymoshenko <ovt@google.com>
Reviewed-by: Troy Thomas <troythomas@google.com>
2 files changed
