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Excessive virtio_balloon inflation can cause invocation of OOM-killer, when Linux is under severe memory pressure. Various mechanisms are responsible for correct virtio_balloon memory management. Nevertheless it is often the case that these control tools does not have enough time to react on fast changing memory load. As a result OS runs out of memory and invokes OOM-killer. The balancing of

Excessive virtio_balloon inflation can cause invocation of OOM-killer, when Linux is under severe memory pressure. Various mechanisms are responsible for correct virtio_balloon memory management. Nevertheless it is often the case that these control tools does not have enough time to react on fast changing memory load. As a result OS runs out of memory and invokes OOM-killer. The balancing of

...hael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_balloon.c | 52 +++++++++++++++++++++++++++++++++++++ include/uapi/linux/virtio_balloon.h | 1 + 2 files changed, 53 insertions(+) diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 66cac10..88d73a0 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -28,6 +28,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/balloon_compaction.h> +#include <linux/oom.h> /* * Balloon device works in 4K page units. So each p...

...hael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_balloon.c | 52 +++++++++++++++++++++++++++++++++++++ include/uapi/linux/virtio_balloon.h | 1 + 2 files changed, 53 insertions(+) diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 66cac10..88d73a0 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -28,6 +28,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/balloon_compaction.h> +#include <linux/oom.h> /* * Balloon device works in 4K page units. So each p...