#include <asm/vdso.h>
#include <asm/e820.h>
#include <asm/setup.h>
+#include <asm/acpi.h>
#include <asm/xen/hypervisor.h>
#include <asm/xen/hypercall.h>
max_pfn = min(MAX_DOMAIN_PAGES, max_pfn);
e820.nr_map = 0;
- add_memory_region(0, LOWMEMSIZE(), E820_RAM);
- add_memory_region(HIGH_MEMORY, PFN_PHYS(max_pfn)-HIGH_MEMORY, E820_RAM);
+
+ e820_add_region(0, PFN_PHYS(max_pfn), E820_RAM);
+
+ /*
+ * Even though this is normal, usable memory under Xen, reserve
+ * ISA memory anyway because too many things think they can poke
+ * about in there.
+ */
+ e820_add_region(ISA_START_ADDRESS, ISA_END_ADDRESS - ISA_START_ADDRESS,
+ E820_RESERVED);
+
+ /*
+ * Reserve Xen bits:
+ * - mfn_list
+ * - xen_start_info
+ * See comment above "struct start_info" in <xen/interface/xen.h>
+ */
+ e820_add_region(__pa(xen_start_info->mfn_list),
+ xen_start_info->pt_base - xen_start_info->mfn_list,
+ E820_RESERVED);
+
+ sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
return "Xen";
}