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@xxxxxxxxxx> --- 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
