tree 24f2dc2fa45cd72922f95b4250cbb401027825da
parent b09ea7d55cfab5a75912bb56ed1fcd757604a759
author Anthony Liguori <aliguori@us.ibm.com> 1245275172 -0500
committer Anthony Liguori <aliguori@us.ibm.com> 1245683728 -0500

Instead of writing a zero page, madvise it away

Otherwise, after migration, we end up with a much larger RSS size then we
ought to have.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>