From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx118.postini.com [74.125.245.118]) by kanga.kvack.org (Postfix) with SMTP id E00BC6B0008 for ; Tue, 5 Mar 2013 10:00:01 -0500 (EST) Received: by mail-pb0-f48.google.com with SMTP id wy12so4517511pbc.7 for ; Tue, 05 Mar 2013 07:00:01 -0800 (PST) From: Jiang Liu Subject: [RFC PATCH v1 11/33] mm/m32r: use common help functions to free reserved pages Date: Tue, 5 Mar 2013 22:54:54 +0800 Message-Id: <1362495317-32682-12-git-send-email-jiang.liu@huawei.com> In-Reply-To: <1362495317-32682-1-git-send-email-jiang.liu@huawei.com> References: <1362495317-32682-1-git-send-email-jiang.liu@huawei.com> Sender: owner-linux-mm@kvack.org List-ID: 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, Hirokazu Takata Use common help functions to free reserved pages. Also include to avoid local declarations. Signed-off-by: Jiang Liu Cc: Hirokazu Takata --- arch/m32r/mm/init.c | 26 +++----------------------- 1 file changed, 3 insertions(+), 23 deletions(-) diff --git a/arch/m32r/mm/init.c b/arch/m32r/mm/init.c index 78b660e..ab4cbce 100644 --- a/arch/m32r/mm/init.c +++ b/arch/m32r/mm/init.c @@ -28,10 +28,7 @@ #include #include #include - -/* References to section boundaries */ -extern char _text, _etext, _edata; -extern char __init_begin, __init_end; +#include pgd_t swapper_pg_dir[1024]; @@ -184,17 +181,7 @@ void __init mem_init(void) *======================================================================*/ 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: %dk freed\n", \ - (int)(&__init_end - &__init_begin) >> 10); + free_initmem_default(0); } #ifdef CONFIG_BLK_DEV_INITRD @@ -204,13 +191,6 @@ void free_initmem(void) *======================================================================*/ void free_initrd_mem(unsigned long start, unsigned long end) { - unsigned long p; - for (p = start; p < end; p += PAGE_SIZE) { - ClearPageReserved(virt_to_page(p)); - init_page_count(virt_to_page(p)); - free_page(p); - totalram_pages++; - } - printk (KERN_INFO "Freeing initrd memory: %ldk freed\n", (end - start) >> 10); + free_reserved_area(start, end, 0, "initrd"); } #endif -- 1.7.9.5 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org