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authorGreg Ungerer <gerg@uclinux.org>2011-08-23 14:59:42 +1000
committerGreg Ungerer <gerg@uclinux.org>2011-10-18 14:22:26 +1000
commit9da48c01f5b6a0e32708e3214afe77a10cf0356f (patch)
treebe249a86546962f0616addf5a15b1ca3c0695199 /arch/m68k/mm
parentc06e9bb427bc8ae74b43a99888da077c20747165 (diff)
m68knommu: use generic section names in mm/init code
We should be including and using sections.h to get at the extern definitions of the linker sections in the m68knommu mm init code. Not defining them locally. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Diffstat (limited to 'arch/m68k/mm')
-rw-r--r--arch/m68k/mm/init_no.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/m68k/mm/init_no.c b/arch/m68k/mm/init_no.c
index 50cd12cf28d9..66512da66f98 100644
--- a/arch/m68k/mm/init_no.c
+++ b/arch/m68k/mm/init_no.c
@@ -32,6 +32,7 @@
#include <linux/gfp.h>
#include <asm/setup.h>
+#include <asm/sections.h>
#include <asm/segment.h>
#include <asm/page.h>
#include <asm/pgtable.h>
@@ -78,7 +79,6 @@ void __init mem_init(void)
{
int codek = 0, datak = 0, initk = 0;
unsigned long tmp;
- extern char _etext, _stext, _sdata, _ebss, __init_begin, __init_end;
extern unsigned int _ramend, _rambase;
unsigned long len = _ramend - _rambase;
unsigned long start_mem = memory_start; /* DAVIDM - these must start at end of kernel */
@@ -95,9 +95,9 @@ void __init mem_init(void)
/* this will put all memory onto the freelists */
totalram_pages = free_all_bootmem();
- codek = (&_etext - &_stext) >> 10;
- datak = (&_ebss - &_sdata) >> 10;
- initk = (&__init_begin - &__init_end) >> 10;
+ codek = (_etext - _stext) >> 10;
+ datak = (_ebss - _sdata) >> 10;
+ initk = (__init_begin - __init_end) >> 10;
tmp = nr_free_pages() << PAGE_SHIFT;
printk(KERN_INFO "Memory available: %luk/%luk RAM, (%dk kernel code, %dk data)\n",
@@ -129,22 +129,21 @@ void free_initmem(void)
{
#ifdef CONFIG_RAMKERNEL
unsigned long addr;
- extern char __init_begin, __init_end;
/*
* The following code should be cool even if these sections
* are not page aligned.
*/
- addr = PAGE_ALIGN((unsigned long)(&__init_begin));
+ addr = PAGE_ALIGN((unsigned long) __init_begin);
/* next to check that the page we free is not a partial page */
- for (; addr + PAGE_SIZE < (unsigned long)(&__init_end); addr +=PAGE_SIZE) {
+ for (; addr + PAGE_SIZE < ((unsigned long) __init_end); addr += PAGE_SIZE) {
ClearPageReserved(virt_to_page(addr));
init_page_count(virt_to_page(addr));
free_page(addr);
totalram_pages++;
}
pr_notice("Freeing unused kernel memory: %luk freed (0x%x - 0x%x)\n",
- (addr - PAGE_ALIGN((long) &__init_begin)) >> 10,
- (int)(PAGE_ALIGN((unsigned long)(&__init_begin))),
+ (addr - PAGE_ALIGN((unsigned long) __init_begin)) >> 10,
+ (int)(PAGE_ALIGN((unsigned long) __init_begin)),
(int)(addr - PAGE_SIZE));
#endif
}