tree df852a732d4ef6b90aa15ac026a46d2e4f0ae62a
parent 42ee1471e9b879479a15debac752314a596c738e
author Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> 1283472423 -0700
committer Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> 1287777448 -0700

xen: make sure xen_extra_mem_start is beyond all non-RAM e820

If Xen gives us non-RAM E820 entries (dom0 only, typically), then
make sure the extra RAM region is beyond them.  It's OK for
the extra space to grow into E820 regions, however.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>