From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758145Ab3CEPDG (ORCPT ); Tue, 5 Mar 2013 10:03:06 -0500 Received: from mail-pb0-f48.google.com ([209.85.160.48]:33626 "EHLO mail-pb0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754916Ab3CEPDC (ORCPT ); Tue, 5 Mar 2013 10:03:02 -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, Eric Biederman Subject: [RFC PATCH v1 27/33] mm,kexec: use common help functions to free reserved pages Date: Tue, 5 Mar 2013 22:55:10 +0800 Message-Id: <1362495317-32682-28-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: Eric Biederman --- kernel/kexec.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/kernel/kexec.c b/kernel/kexec.c index bddd3d7..be95397 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -1118,12 +1118,8 @@ void __weak crash_free_reserved_phys_range(unsigned long begin, { unsigned long addr; - for (addr = begin; addr < end; addr += PAGE_SIZE) { - ClearPageReserved(pfn_to_page(addr >> PAGE_SHIFT)); - init_page_count(pfn_to_page(addr >> PAGE_SHIFT)); - free_page((unsigned long)__va(addr)); - totalram_pages++; - } + for (addr = begin; addr < end; addr += PAGE_SIZE) + free_reserved_page(pfn_to_page(addr >> PAGE_SHIFT)); } int crash_shrink_memory(unsigned long new_size) -- 1.7.9.5