x86/xen: discard RAM regions above the maximum reservation
authorDavid Vrabel <david.vrabel@citrix.com>
Mon, 19 Jan 2015 11:08:05 +0000 (11:08 +0000)
committerDavid Vrabel <david.vrabel@citrix.com>
Fri, 23 Oct 2015 13:20:03 +0000 (14:20 +0100)
commitf5775e0b6116b7e2425ccf535243b21768566d87
tree2d7d0aaa736c20fbf20757f244b2d233d6150fc8
parentf6a6cb1afe74d6ccc81aa70aa4ac3953762e7e6e
x86/xen: discard RAM regions above the maximum reservation

During setup, discard RAM regions that are above the maximum
reservation (instead of marking them as E820_UNUSABLE).  This allows
hotplug memory to be placed at these addresses.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
arch/x86/xen/setup.c