#ifndef __ASSEMBLY__
extern void setup_memory_region(void);
extern void contig_e820_setup(void);
-extern void e820_reserve_resources(void);
extern int e820_any_non_reserved(unsigned long start, unsigned long end);
extern int is_memory_any_valid(unsigned long start, unsigned long end);
extern int e820_all_non_reserved(unsigned long start, unsigned long end);