On Mon, 7 Sep 2020 08:46:59 -0400 Janosch Frank <frankja@xxxxxxxxxxxxx> wrote: > We don't need to export pages if we destroy the VM configuration > afterwards anyway. Instead we can destroy the page which will zero it > and then make it accessible to the host. > > Destroying is about twice as fast as the export. > > Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> > Reviewed-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx> > --- > arch/s390/include/asm/uv.h | 7 +++++++ > arch/s390/kernel/uv.c | 20 ++++++++++++++++++++ > arch/s390/mm/gmap.c | 2 +- > 3 files changed, 28 insertions(+), 1 deletion(-) Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>