[RFC PATCH 0/4] virtio_balloon: add pressure notification via a new virtqueue

[Luiz Capitulino]

The pressure notification added to the virtio-balloon driver by this series
is going to be used by the host (QEMU, in this case) to implement automatic
balloning support. More details in patch 3/4 and patch 4/4.

Patch 1/4 adds in-kernel vmpressure support and is not really part of this
series, it's added here for the convenience of someone who wants to try
automatic ballooning. Patch 2/4 is a hack to make in-kernel vmpressure work
for something not related to cgroups, I'll improve it in later versions.

Glauber Costa (1):
  vmpressure: in-kernel notifications

Luiz capitulino (3):
  vmpressure in-kernel: hack
  virtio_balloon: add pressure notification via a new virtqueue
  virtio_balloon: skip inflation if guest is under pressure

 drivers/virtio/virtio_balloon.c     | 100 ++++++++++++++++++++++++++++++++----
 include/linux/vmpressure.h          |   6 +++
 include/uapi/linux/virtio_balloon.h |   1 +
 mm/vmpressure.c                     |  58 +++++++++++++++++++--
 4 files changed, 151 insertions(+), 14 deletions(-)

-- 
1.8.1.4
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