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x86: remove extern declarations for code, data, bss resources

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This patch removes the extern struct resource declarations for
data_resource, code_resource and bss_resource on x86 and declares that
three structures as static as done on other architectures like IA64.

On i386, these structures are moved to setup_32.c (from e820_32.c) because
that's code that is not specific to e820 and also required on EFI systems.
That makes the "extern" reference superfluous.

On x86_64, data_resource, code_resource and bss_resource are passed to
e820_reserve_resources() as arguments just as done on i386 and IA64.  That
also avoids the "extern" reference and it's possible to make it static.

Signed-off-by: Bernhard Walle <[email protected]>
Cc: "Luck, Tony" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Bernhard Walle 2008-01-30 13:30:32 +01:00 • committed by Ingo Molnar
commit c9cce83dd1
7 changed files with 127 additions and 121 deletions
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6
include/asm-x86/e820_32.h
View file

@ -12,6 +12,8 @@
#ifndef __E820_HEADER
#define __E820_HEADER
#include <linux/ioport.h>
#define HIGH_MEMORY (1024*1024)
#ifndef __ASSEMBLY__
@ -26,6 +28,9 @@ extern void register_bootmem_low_pages(unsigned long max_low_pfn);
extern void e820_register_memory(void);
extern void limit_regions(unsigned long long size);
extern void print_memory_map(char *who);
extern void legacy_init_iomem_resources(struct resource *code_resource,
struct resource *data_resource,
struct resource *bss_resource);
#if defined(CONFIG_PM) && defined(CONFIG_HIBERNATION)
extern void e820_mark_nosave_regions(void);
@ -35,5 +40,6 @@ static inline void e820_mark_nosave_regions(void)
}
#endif
#endif/*!__ASSEMBLY__*/
#endif/*__E820_HEADER*/

5
include/asm-x86/e820_64.h
View file

@ -11,6 +11,8 @@
#ifndef __E820_HEADER
#define __E820_HEADER
#include <linux/ioport.h>
#ifndef __ASSEMBLY__
extern unsigned long find_e820_area(unsigned long start, unsigned long end,
unsigned size);
@ -19,7 +21,8 @@ extern void add_memory_region(unsigned long start, unsigned long size,
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_reserve_resources(struct resource *code_resource,
struct resource *data_resource, struct resource *bss_resource);
extern void e820_mark_nosave_regions(void);
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);