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- /*
- * structures and definitions for the int 15, ax=e820 memory map
- * scheme.
- *
- * In a nutshell, setup.S populates a scratch table in the
- * empty_zero_block that contains a list of usable address/size
- * duples. setup.c, this information is transferred into the e820map,
- * and in init.c/numa.c, that new information is used to mark pages
- * reserved or not.
- */
- #ifndef __E820_HEADER
- #define __E820_HEADER
- #ifndef __ASSEMBLY__
- extern unsigned long find_e820_area(unsigned long start, unsigned long end,
- unsigned size);
- extern void add_memory_region(unsigned long start, unsigned long size,
- int type);
- extern void setup_memory_region(void);
- extern void contig_e820_setup(void);
- extern unsigned long e820_end_of_ram(void);
- extern void e820_reserve_resources(void);
- extern void e820_mark_nosave_regions(void);
- extern void e820_print_map(char *who);
- extern int e820_any_mapped(unsigned long start, unsigned long end, unsigned type);
- extern int e820_all_mapped(unsigned long start, unsigned long end, unsigned type);
- extern unsigned long e820_hole_size(unsigned long start, unsigned long end);
- extern void e820_setup_gap(void);
- extern void e820_register_active_regions(int nid,
- unsigned long start_pfn, unsigned long end_pfn);
- extern void finish_e820_parsing(void);
- extern struct e820map e820;
- extern unsigned ebda_addr, ebda_size;
- extern unsigned long nodemap_addr, nodemap_size;
- #endif/*!__ASSEMBLY__*/
- #endif/*__E820_HEADER*/
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