On Thu, Apr 9, 2020 at 12:36 AM David Hildenbrand <da...@redhat.com> wrote: > > 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.
Sorry about that. Those are basically the same comments from the original upstream patch. I just wasn't aware of the process so I just copied that over and added the comment/link to the original patch. > 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 I will update the patch description. Thanks. - Alex
