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>

diff --git a/arch/m68k/mm/init_no.c b/arch/m68k/mm/init_no.c
index 50cd12c..66512da 100644 (file)
--- 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
 }