From 32ce012064b3cc89d2081d34a745af598e5e56c5 Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Mon, 29 Apr 2013 15:06:44 -0700 Subject: [PATCH] mm/mn10300: use common help functions to free reserved pages Use common help functions to free reserved pages. Signed-off-by: Jiang Liu Cc: Koichi Yasutake Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/mn10300/mm/init.c | 23 ++--------------------- 1 file changed, 2 insertions(+), 21 deletions(-) diff --git a/arch/mn10300/mm/init.c b/arch/mn10300/mm/init.c index e57e5bc2356..5a8ace63a6b 100644 --- a/arch/mn10300/mm/init.c +++ b/arch/mn10300/mm/init.c @@ -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