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mm/c6x: use common help functions to free reserved pages

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Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
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 15:06:34 -07:00 committed by Linus Torvalds
parent ed8a36f503
commit 95a259ed28
1 changed files with 2 additions and 28 deletions
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30
arch/c6x/mm/init.c
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@ -77,37 +77,11 @@ void __init mem_init(void)
#ifdef CONFIG_BLK_DEV_INITRD
void __init free_initrd_mem(unsigned long start, unsigned long end)
{
int pages = 0;
for (; start < end; start += PAGE_SIZE) {
ClearPageReserved(virt_to_page(start));
init_page_count(virt_to_page(start));
free_page(start);
totalram_pages++;
pages++;
}
printk(KERN_INFO "Freeing initrd memory: %luk freed\n",
(pages * PAGE_SIZE) >> 10);
free_reserved_area(start, end, 0, "initrd");
}
#endif
void __init free_initmem(void)
{
unsigned long addr;
/*
* The following code should be cool even if these sections
* are not page aligned.
*/
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) {
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) ((addr - PAGE_ALIGN((long) &__init_begin)) >> 10));
free_initmem_default(0);
}