On 10/13/20 1:35 AM, Nico Pache wrote:
This will add the proper documentation and parser support for the
free page
reporting feature that is introduced in QEMU 5.1.
Signed-off-by: Nico Pache <npache(a)redhat.com>
---
docs/formatdomain.rst | 6 ++++++
docs/schemas/domaincommon.rng | 5 +++++
src/conf/domain_conf.c | 21 +++++++++++++++++++++
src/conf/domain_conf.h | 1 +
4 files changed, 33 insertions(+)
diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst
index df5ac28028..e75b360b32 100644
--- a/docs/formatdomain.rst
+++ b/docs/formatdomain.rst
@@ -6755,6 +6755,12 @@ Example: manually added device with static PCI slot 2 requested
release some memory at the last moment before a guest's process get killed by
Out of Memory killer. :since:`Since 1.3.1, QEMU and KVM only`
+``free-page-reporting``
+ The optional ``free-page-reporting`` attribute allows to enable/disable
+ ("on"/"off", respectively) the ability of the QEMU virtio memory
balloon to
+ return unused pages back to the hypervisor to be used by other guests or
+ processes. :since:`Since 5.1, QEMU and KVM only`
This "Since" attribute should refer to Libvirt version and not qemu. The
idea is that when I am reading libvirt docs, how to enable something in
domain XML I want to know whether my libvirt supports it. We could also
record QEMU version but in general we don't do that.
Michal