From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758195Ab3CEPCw (ORCPT ); Tue, 5 Mar 2013 10:02:52 -0500 Received: from mail-pb0-f44.google.com ([209.85.160.44]:50248 "EHLO mail-pb0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757109Ab3CEPCu (ORCPT ); Tue, 5 Mar 2013 10:02:50 -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, Chris Zankel , Max Filippov Subject: [RFC PATCH v1 26/33] mm/xtensa: use common help functions to free reserved pages Date: Tue, 5 Mar 2013 22:55:09 +0800 Message-Id: <1362495317-32682-27-git-send-email-jiang.liu@huawei.com> X-Mailer: git-send-email 1.7.9.5 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: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use common help functions to free reserved pages. Signed-off-by: Jiang Liu Cc: Chris Zankel Cc: Max Filippov --- arch/xtensa/mm/init.c | 21 +++------------------ 1 file changed, 3 insertions(+), 18 deletions(-) diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index 7a5156f..bba125b 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -208,32 +208,17 @@ void __init mem_init(void) highmemsize >> 10); } -void -free_reserved_mem(void *start, void *end) -{ - for (; start < end; start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(start)); - init_page_count(virt_to_page(start)); - free_page((unsigned long)start); - totalram_pages++; - } -} - #ifdef CONFIG_BLK_DEV_INITRD extern int initrd_is_mapped; void free_initrd_mem(unsigned long start, unsigned long end) { - if (initrd_is_mapped) { - free_reserved_mem((void*)start, (void*)end); - printk ("Freeing initrd memory: %ldk freed\n",(end-start)>>10); - } + if (initrd_is_mapped) + free_reserved_area(start, end, 0, "initrd"); } #endif void free_initmem(void) { - free_reserved_mem(__init_begin, __init_end); - printk("Freeing unused kernel memory: %zuk freed\n", - (__init_end - __init_begin) >> 10); + free_initmem_default(0); } -- 1.7.9.5