From c941836819569abd5319f93f68638b65e2dfecc5 Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Mon, 29 Apr 2013 15:06:57 -0700 Subject: [PATCH] mm/metag: use common help functions to free reserved pages Use common help functions to free reserved pages. Signed-off-by: Jiang Liu Cc: James Hogan Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/metag/mm/init.c | 21 ++------------------- 1 file changed, 2 insertions(+), 19 deletions(-) diff --git a/arch/metag/mm/init.c b/arch/metag/mm/init.c index 504a398d5f8b..c6784fb3a334 100644 --- a/arch/metag/mm/init.c +++ b/arch/metag/mm/init.c @@ -412,32 +412,15 @@ void __init mem_init(void) return; } -static 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, POISON_FREE_INITMEM, PAGE_SIZE); - free_page(addr); - totalram_pages++; - } - pr_info("Freeing %s: %luk freed\n", what, (end - begin) >> 10); -} - void free_initmem(void) { - free_init_pages("unused kernel memory", - (unsigned long)(&__init_begin), - (unsigned long)(&__init_end)); + free_initmem_default(POISON_FREE_INITMEM); } #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - end = end & PAGE_MASK; - free_init_pages("initrd memory", start, end); + free_reserved_area(start, end, POISON_FREE_INITMEM, "initrd"); } #endif -- GitLab