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Commit 32ce0120 authored by Jiang Liu's avatar Jiang Liu Committed by Linus Torvalds
Browse files

mm/mn10300: 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: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 31605922

arch/mn10300/mm/init.c

+2 −21
Original line number Diff line number Diff line
@@ -138,31 +138,12 @@ void __init mem_init(void) 
	       totalhigh_pages << (PAGE_SHIFT - 10));

}



/*

 *

 */

void free_init_pages(char *what, unsigned long begin, unsigned long end)

{

	unsigned long addr;



	for (addr = begin; addr < end; addr += PAGE_SIZE) {

		ClearPageReserved(virt_to_page(addr));

		init_page_count(virt_to_page(addr));

		memset((void *) addr, 0xcc, PAGE_SIZE);

		free_page(addr);

		totalram_pages++;

	}

	printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10);

}



/*

 * recycle memory containing stuff only required for initialisation

 */

void free_initmem(void)

{

	free_init_pages("unused kernel memory",

			(unsigned long) &__init_begin,

			(unsigned long) &__init_end);

	free_initmem_default(POISON_FREE_INITMEM);

}



/*
@@ -171,6 +152,6 @@ void free_initmem(void) 
#ifdef CONFIG_BLK_DEV_INITRD

void free_initrd_mem(unsigned long start, unsigned long end)

{

	free_init_pages("initrd memory", start, end);

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

}

#endif