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| H A D | postcopy-ram.c | 41d84210d403a686052fb5fc4c9f027e13e92185 Fri Feb 24 18:28:36 UTC 2017 Dr. David Alan Gilbert <dgilbert@redhat.com> postcopy: Use temporary for placing zero huge pages
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: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20170224182844.32452-9-dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
|
| H A D | migration.h | 41d84210d403a686052fb5fc4c9f027e13e92185 Fri Feb 24 18:28:36 UTC 2017 Dr. David Alan Gilbert <dgilbert@redhat.com> postcopy: Use temporary for placing zero huge pages
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: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20170224182844.32452-9-dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
|