On 09.04.20 00:55, Alexander Duyck wrote: > From: Alexander Duyck <alexander.h.du...@linux.intel.com> > > Add support for the page reporting feature provided by virtio-balloon. > Reporting differs from the regular balloon functionality in that is is > much less durable than a standard memory balloon. Instead of creating a > list of pages that cannot be accessed the pages are only inaccessible > while they are being indicated to the virtio interface. Once the > interface has acknowledged them they are placed back into their respective > free lists and are once again accessible by the guest system. > > Unlike a standard balloon we don't inflate and deflate the pages. Instead > we perform the reporting, and once the reporting is completed it is > assumed that the page has been dropped from the guest and will be faulted > back in the next time the page is accessed. > > This patch is a subset of the UAPI patch that was submitted for the Linux > kernel. The original patch can be found at: > https://lore.kernel.org/lkml/20200211224657.29318.68624.stgit@localhost.localdomain/
You don't need all these comments. Usually we do "linux-headers: update to contain virito-balloon free page reporting Let's sync the latest upstream changes for free page reporting. To be replaced by a full linux header sync. Signed-off-by: Alexander Duyck <alexander.h.du...@linux.intel.com> " mst will replace this by a full header sync (if necessary) when sending it upstream -- Thanks, David / dhildenb