[dpdk-dev] [PATCH v2]xen:reserve memory at installing dom0_mm kernel module

[Cao, Waterman]

Tested-by: Waterman Cao <waterman.cao at intel.com>
This patch has been tested by Intel.
Test Environment:
Fedora 16 with kernel 3.10.0 and Red Hat 5.0 with kernel 2.6.32 pvops.
Linux kernel has the following features enabled: Huge page support, UIO, HPET 
,Xen support.
Enable PCI passthrough by add intel_iommu=on iommu=pt in kernel grub
XEN should be version 4.0.1 on Red Hat and 4.2.3 on Fedora 16.