xen: find unused contiguous memory area

	return true;

}

/*

 * Find a free area in physical memory not yet reserved and compliant with

 * E820 map.

 * Used to relocate pre-allocated areas like initrd or p2m list which are in

 * conflict with the to be used E820 map.

 * In case no area is found, return 0. Otherwise return the physical address

 * of the area which is already reserved for convenience.

 */

phys_addr_t __init xen_find_free_area(phys_addr_t size)

{

	unsigned mapcnt;

	phys_addr_t addr, start;

	struct e820entry *entry = xen_e820_map;

	for (mapcnt = 0; mapcnt < xen_e820_map_entries; mapcnt++, entry++) {

		if (entry->type != E820_RAM || entry->size < size)

			continue;

		start = entry->addr;

		for (addr = start; addr < start + size; addr += PAGE_SIZE) {

			if (!memblock_is_reserved(addr))

				continue;

			start = addr + PAGE_SIZE;

			if (start + size > entry->addr + entry->size)

				break;

		}

		if (addr >= start + size) {

			memblock_reserve(start, size);

			return start;

		}

	}

	return 0;

}

/*

 * Reserve Xen mfn_list.

 * See comment above "struct start_info" in <xen/interface/xen.h>

unsigned long __ref xen_chk_extra_mem(unsigned long pfn);

void __init xen_inv_extra_mem(void);

void __init xen_remap_memory(void);

phys_addr_t __init xen_find_free_area(phys_addr_t size);

char * __init xen_memory_setup(void);

char * xen_auto_xlated_memory_setup(void);

void __init xen_arch_setup(void);