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mm/m32r: use common help functions to free reserved pages

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Use common help functions to free reserved pages.
Also include <asm/sections.h> to avoid local declarations.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jiang Liu 2013-04-29 15:06:40 -07:00 committed by Linus Torvalds
parent 66f6259421
commit 8be65857f2
1 changed files with 3 additions and 23 deletions
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26
arch/m32r/mm/init.c
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@ -28,10 +28,7 @@
#include <asm/mmu_context.h>
#include <asm/setup.h>
#include <asm/tlb.h>
/* References to section boundaries */
extern char _text, _etext, _edata;
extern char __init_begin, __init_end;
#include <asm/sections.h>
pgd_t swapper_pg_dir[1024];
@ -184,17 +181,7 @@ void __init mem_init(void)
*======================================================================*/
void free_initmem(void)
{
unsigned long addr;
addr = (unsigned long)(&__init_begin);
for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) {
ClearPageReserved(virt_to_page(addr));
init_page_count(virt_to_page(addr));
free_page(addr);
totalram_pages++;
}
printk (KERN_INFO "Freeing unused kernel memory: %dk freed\n", \
(int)(&__init_end - &__init_begin) >> 10);
free_initmem_default(0);
}
#ifdef CONFIG_BLK_DEV_INITRD
@ -204,13 +191,6 @@ void free_initmem(void)
*======================================================================*/
void free_initrd_mem(unsigned long start, unsigned long end)
{
unsigned long p;
for (p = start; p < end; p += PAGE_SIZE) {
ClearPageReserved(virt_to_page(p));
init_page_count(virt_to_page(p));
free_page(p);
totalram_pages++;
}
printk (KERN_INFO "Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
free_reserved_area(start, end, 0, "initrd");
}
#endif