From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933121AbWFZWdv (ORCPT ); Mon, 26 Jun 2006 18:33:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933113AbWFZWby (ORCPT ); Mon, 26 Jun 2006 18:31:54 -0400 Received: from cust9421.vic01.dataco.com.au ([203.171.70.205]:61930 "EHLO nigel.suspend2.net") by vger.kernel.org with ESMTP id S933108AbWFZWbp (ORCPT ); Mon, 26 Jun 2006 18:31:45 -0400 From: Nigel Cunningham Subject: [Suspend2][ 4/7] [Suspend2] Space needed to store one set of pageflags. Date: Tue, 27 Jun 2006 08:31:43 +1000 To: linux-kernel@vger.kernel.org Message-Id: <20060626223141.3725.33148.stgit@nigel.suspend2.net> In-Reply-To: <20060626223128.3725.55605.stgit@nigel.suspend2.net> References: <20060626223128.3725.55605.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 Return the number of bytes in the image header required to store one set of pageflags. Signed-off-by: Nigel Cunningham kernel/power/pageflags.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/kernel/power/pageflags.c b/kernel/power/pageflags.c index ec028d3..7c00257 100644 --- a/kernel/power/pageflags.c +++ b/kernel/power/pageflags.c @@ -43,3 +43,16 @@ static int pages_for_zone(struct zone *z (PAGE_SIZE << 3); } +int suspend_pageflags_space_needed(void) +{ + int total = 0; + struct zone *zone; + + for_each_zone(zone) + total += sizeof(int) * 2 + pages_for_zone(zone) * PAGE_SIZE; + + total += sizeof(int); + + return total; +} + -- Nigel Cunningham nigel at suspend2 dot net