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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
- #include <linux/ioport.h>
- #ifndef __ASSEMBLY__
- extern void setup_memory_region(void);
- extern void contig_e820_setup(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);
- extern int is_memory_all_valid(unsigned long start, unsigned long end);
- #endif/*!__ASSEMBLY__*/
- #endif/*__E820_HEADER*/
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