From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030255AbWFZXey (ORCPT ); Mon, 26 Jun 2006 19:34:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933206AbWFZXeP (ORCPT ); Mon, 26 Jun 2006 19:34:15 -0400 Received: from cust9421.vic01.dataco.com.au ([203.171.70.205]:35743 "EHLO nigel.suspend2.net") by vger.kernel.org with ESMTP id S933154AbWFZWfJ (ORCPT ); Mon, 26 Jun 2006 18:35:09 -0400 From: Nigel Cunningham Subject: [Suspend2][ 06/20] [Suspend2] Calculate header storage needed. Date: Tue, 27 Jun 2006 08:35:07 +1000 To: linux-kernel@vger.kernel.org Message-Id: <20060626223506.4050.44990.stgit@nigel.suspend2.net> In-Reply-To: <20060626223446.4050.9897.stgit@nigel.suspend2.net> References: <20060626223446.4050.9897.stgit@nigel.suspend2.net> Content-Type: text/plain; charset=utf-8; format=fixed Content-Transfer-Encoding: 8bit User-Agent: StGIT/0.9 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Calculate the total amount of storage needed (in pages) for the image header. Signed-off-by: Nigel Cunningham kernel/power/prepare_image.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/kernel/power/prepare_image.c b/kernel/power/prepare_image.c index 9f1eb74..5070735 100644 --- a/kernel/power/prepare_image.c +++ b/kernel/power/prepare_image.c @@ -120,3 +120,16 @@ static long main_storage_needed(int use_ (use_ecr ? suspend_expected_compression_ratio() : 100) / 100); } +/* + * Storage needed for the image header, in bytes until the return. + */ +static int header_storage_needed(void) +{ + unsigned long bytes = + sizeof(struct suspend_header) + + (int) suspend_header_storage_for_modules() + + suspend_pageflags_space_needed(); + + return ((int) ((bytes + (int) PAGE_SIZE - 1) >> PAGE_SHIFT)); +} + -- Nigel Cunningham nigel at suspend2 dot net