-
由 Dr. David Alan Gilbert 提交于
The kernel can't do UFFDIO_ZEROPAGE for huge pages, so we have to allocate a temporary (always zero) page and use UFFDIO_COPYPAGE on it. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NLaurent Vivier <lvivier@redhat.com> Message-Id: <20170224182844.32452-9-dgilbert@redhat.com> Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com>
41d84210