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Commit 95a259ed authored by Jiang Liu's avatar Jiang Liu Committed by Linus Torvalds
Browse files

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



Use common help functions to free reserved pages.

Signed-off-by: default avatarJiang Liu <jiang.liu@huawei.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ed8a36f5

arch/c6x/mm/init.c

+2 −28
Original line number Original line Diff line number Diff line
@@ -77,37 +77,11 @@ void __init mem_init(void) 
#ifdef CONFIG_BLK_DEV_INITRD

#ifdef CONFIG_BLK_DEV_INITRD

void __init free_initrd_mem(unsigned long start, unsigned long end)

void __init free_initrd_mem(unsigned long start, unsigned long end)

{

{

	int pages = 0;

	free_reserved_area(start, end, 0, "initrd");

	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);

}

}

#endif

#endif





void __init free_initmem(void)

void __init free_initmem(void)

{

{

	unsigned long addr;

	free_initmem_default(0);



	/*

	 * 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));

}
 
}