On Tue, Sep 23, 2008 at 12:49 AM, Dave Anderson <anderson(a)redhat.com> wrote:
...
 zero_excluded: if a page was excluded by diskdump or makedumpfile,
  it normally returns a failure if the page is accessed.  If you
  want it to just return a page of zeroes, use --zero_excluded.
 
This option sounds reasonable to me, so why it is not enable by default??
Thanks,
J