virtio_balloon: Fix endless deflation and inflation on arm64
JIRA: https://issues.redhat.com/browse/RHEL-1673
Upstream Status: v6.7.rc1
Tested: No endless deflation and inflation on arm64
This picks up the following upstream patch, to fix the issue of endless
deflation and inflation on arm64 when its base page size is 64KB and the
requested memory size isn't aligned to 64KB.
07622bd41563 virtio_balloon: Fix endless deflation and inflation on arm64
Signed-off-by: Gavin Shan gshan@redhat.com