dm: add hugetlb memory management support

Type '-T' in DM cmdline to enable hugetlb memory allocation.
It enabled 2 level of huge page:
Level 1: size 2M, path: /run/hugepage/acrn/huge_lv1/guid
Level 2: size 1G, path: /run/hugepage/acrn/huge_lv2/guid

NOTE:
before running, please make sure system already have enough hugepages
reserved under:
/sys/kernel/mm/hugepages/hugepages-xxxxkB/nr_hugepages

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Xu, Anthony <anthony.xu@intel.com>

Author: JasonChenCJ

devicemodel/Makefile

@@ -100,7 +100,7 @@ SRCS += core/consport.c
 SRCS += core/vmmapi.c
 SRCS += core/mptbl.c
 SRCS += core/main.c
-
+SRCS += core/hugetlb.c
 
 OBJS := $(patsubst %.c,$(DM_OBJDIR)/%.o,$(SRCS))