Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752558Ab3CJGcH (ORCPT ); Sun, 10 Mar 2013 01:32:07 -0500 Received: from mail-pb0-f42.google.com ([209.85.160.42]:53474 "EHLO mail-pb0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751910Ab3CJGcD (ORCPT ); Sun, 10 Mar 2013 01:32:03 -0500 From: Jiang Liu To: Andrew Morton , David Rientjes Cc: Jiang Liu , Wen Congyang , Maciej Rutecki , Chris Clayton , "Rafael J . Wysocki" , Mel Gorman , Minchan Kim , KAMEZAWA Hiroyuki , Michal Hocko , Jianguo Wu , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Jonas Bonn Subject: [PATCH v2, part1 16/29] mm/openrisc: use common help functions to free reserved pages Date: Sun, 10 Mar 2013 14:26:59 +0800 Message-Id: <1362896833-21104-17-git-send-email-jiang.liu@huawei.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1362896833-21104-1-git-send-email-jiang.liu@huawei.com> References: <1362896833-21104-1-git-send-email-jiang.liu@huawei.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2062 Lines: 72 Use common help functions to free reserved pages. Also include to avoid local declarations. Signed-off-by: Jiang Liu Cc: Jonas Bonn --- arch/openrisc/mm/init.c | 27 +++------------------------ 1 file changed, 3 insertions(+), 24 deletions(-) diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c index e7fdc50..b3cbc67 100644 --- a/arch/openrisc/mm/init.c +++ b/arch/openrisc/mm/init.c @@ -43,6 +43,7 @@ #include #include #include +#include int mem_init_done; @@ -201,9 +202,6 @@ void __init paging_init(void) /* References to section boundaries */ -extern char _stext, _etext, _edata, __bss_start, _end; -extern char __init_begin, __init_end; - static int __init free_pages_init(void) { int reservedpages, pfn; @@ -263,30 +261,11 @@ void __init mem_init(void) #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - printk(KERN_INFO "Freeing initrd memory: %ldk freed\n", - (end - start) >> 10); - - for (; start < end; start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(start)); - init_page_count(virt_to_page(start)); - free_page(start); - totalram_pages++; - } + free_reserved_area(start, end, 0, "initrd"); } #endif void free_initmem(void) { - unsigned long addr; - - addr = (unsigned long)(&__init_begin); - for (; addr < (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: %luk freed\n", - ((unsigned long)&__init_end - - (unsigned long)&__init_begin) >> 10); + free_initmem_default(0); } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/