7b2a0a6c48
this way 32-bit is more similar to 64-bit, and smarter e820 and numa. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
31 lines
856 B
C
31 lines
856 B
C
/*
|
|
* structures and definitions for the int 15, ax=e820 memory map
|
|
* scheme.
|
|
*
|
|
* In a nutshell, arch/i386/boot/setup.S populates a scratch table
|
|
* in the empty_zero_block that contains a list of usable address/size
|
|
* duples. In arch/i386/kernel/setup.c, this information is
|
|
* transferred into the e820map, and in arch/i386/mm/init.c, that
|
|
* new information is used to mark pages reserved or not.
|
|
*
|
|
*/
|
|
#ifndef __E820_HEADER
|
|
#define __E820_HEADER
|
|
|
|
#include <linux/ioport.h>
|
|
|
|
#define HIGH_MEMORY (1024*1024)
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
extern void setup_memory_map(void);
|
|
extern void finish_e820_parsing(void);
|
|
|
|
extern void limit_regions(unsigned long long size);
|
|
extern void init_iomem_resources(struct resource *code_resource,
|
|
struct resource *data_resource,
|
|
struct resource *bss_resource);
|
|
|
|
#endif/*!__ASSEMBLY__*/
|
|
#endif/*__E820_HEADER*/
|