search for: 4440873

...ocko at kernel.org> --- drivers/virtio/virtio_balloon.c | 265 +++++++++++++++++++++++++++++++----- include/uapi/linux/virtio_balloon.h | 7 + 2 files changed, 236 insertions(+), 36 deletions(-) diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index a1fb52c..4440873 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -51,9 +51,21 @@ MODULE_PARM_DESC(oom_pages, "pages to free on OOM"); static struct vfsmount *balloon_mnt; #endif +/* The number of virtqueues supported by virtio-balloon */ +#define VIRTIO_BALLOON_VQ...

This patch series is separated from the previous "Virtio-balloon Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT, implemented by this series enables the virtio-balloon driver to report hints of guest free pages to the host. It can be used to accelerate live migration of VMs. Here is an introduction of this usage: Live migration needs to transfer the VM's

...; drivers/virtio/virtio_balloon.c | 265 +++++++++++++++++++++++++++++++----- > include/uapi/linux/virtio_balloon.h | 7 + > 2 files changed, 236 insertions(+), 36 deletions(-) > > diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c > index a1fb52c..4440873 100644 > --- a/drivers/virtio/virtio_balloon.c > +++ b/drivers/virtio/virtio_balloon.c > @@ -51,9 +51,21 @@ MODULE_PARM_DESC(oom_pages, "pages to free on OOM"); > static struct vfsmount *balloon_mnt; > #endif > > +/* The number of virtqueues supported by virtio-ba...

...; drivers/virtio/virtio_balloon.c | 265 +++++++++++++++++++++++++++++++----- > include/uapi/linux/virtio_balloon.h | 7 + > 2 files changed, 236 insertions(+), 36 deletions(-) > > diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c > index a1fb52c..4440873 100644 > --- a/drivers/virtio/virtio_balloon.c > +++ b/drivers/virtio/virtio_balloon.c > @@ -51,9 +51,21 @@ MODULE_PARM_DESC(oom_pages, "pages to free on OOM"); > static struct vfsmount *balloon_mnt; > #endif > > +/* The number of virtqueues supported by virtio-ba...