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m68knommu: create common externs for _ram* vars

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Create common extern definitions of _rambase, _ramstart and _ramend
instead of them being externed when used in code.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
Greg Ungerer 2011-08-23 15:42:36 +10:00
parent 3998bfbf31
commit 7a79a80f50
3 changed files with 3 additions and 3 deletions
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3
arch/m68k/include/asm/page_no.h
View file

@ -5,6 +5,9 @@
extern unsigned long memory_start; extern unsigned long memory_start;
extern unsigned long memory_end; extern unsigned long memory_end;
extern unsigned long _rambase;
extern unsigned long _ramstart;
extern unsigned long _ramend;
#define get_user_page(vaddr) __get_free_page(GFP_KERNEL) #define get_user_page(vaddr) __get_free_page(GFP_KERNEL)
#define free_user_page(page, addr) free_page(addr) #define free_user_page(page, addr) free_page(addr)

2
arch/m68k/kernel/setup_no.c
View file

@ -81,8 +81,6 @@ void (*mach_power_off)(void);
#define CPU_INSTR_PER_JIFFY 16 #define CPU_INSTR_PER_JIFFY 16
#endif #endif
extern int _ramstart, _ramend;
#if defined(CONFIG_UBOOT) #if defined(CONFIG_UBOOT)
/* /*
* parse_uboot_commandline * parse_uboot_commandline

1
arch/m68k/mm/init_no.c
View file

@ -76,7 +76,6 @@ void __init mem_init(void)
{ {
int codek = 0, datak = 0, initk = 0; int codek = 0, datak = 0, initk = 0;
unsigned long tmp; unsigned long tmp;
extern unsigned int _ramend, _rambase;
unsigned long len = _ramend - _rambase; unsigned long len = _ramend - _rambase;
unsigned long start_mem = memory_start; /* DAVIDM - these must start at end of kernel */ unsigned long start_mem = memory_start; /* DAVIDM - these must start at end of kernel */
unsigned long end_mem = memory_end; /* DAVIDM - this must not include kernel stack at top */ unsigned long end_mem = memory_end; /* DAVIDM - this must not include kernel stack at top */