m68knommu: create common externs for _ram* vars

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>

diff --git a/arch/m68k/include/asm/page_no.h b/arch/m68k/include/asm/page_no.h
index 9059572..a8d1c60 100644 (file)
--- a/arch/m68k/include/asm/page_no.h
+++ b/arch/m68k/include/asm/page_no.h
@@ -5,6 +5,9 @@
  
 extern unsigned long memory_start;
 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 free_user_page(page, addr)     free_page(addr)

diff --git a/arch/m68k/kernel/setup_no.c b/arch/m68k/kernel/setup_no.c
index d5a616f..2ed8c0f 100644 (file)
--- a/arch/m68k/kernel/setup_no.c
+++ b/arch/m68k/kernel/setup_no.c
@@ -81,8 +81,6 @@ void (*mach_power_off)(void);
 #define        CPU_INSTR_PER_JIFFY     16
 #endif
 
-extern int _ramstart, _ramend;
-
 #if defined(CONFIG_UBOOT)
 /*
  * parse_uboot_commandline

diff --git a/arch/m68k/mm/init_no.c b/arch/m68k/mm/init_no.c
index 3cf5a50..1e33d39 100644 (file)
--- a/arch/m68k/mm/init_no.c
+++ b/arch/m68k/mm/init_no.c
@@ -76,7 +76,6 @@ void __init mem_init(void)
 {
        int codek = 0, datak = 0, initk = 0;
        unsigned long tmp;
-       extern unsigned int _ramend, _rambase;
        unsigned long len = _ramend - _rambase;
        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 */