From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030637AbWF0EiM (ORCPT ); Tue, 27 Jun 2006 00:38:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030632AbWF0Eh5 (ORCPT ); Tue, 27 Jun 2006 00:37:57 -0400 Received: from cust9421.vic01.dataco.com.au ([203.171.70.205]:24278 "EHLO nigel.suspend2.net") by vger.kernel.org with ESMTP id S1030619AbWF0Ehp (ORCPT ); Tue, 27 Jun 2006 00:37:45 -0400 From: Nigel Cunningham Subject: [Suspend2][ 08/13] [Suspend2] Compression memory and storage usage routines. Date: Tue, 27 Jun 2006 14:37:44 +1000 To: linux-kernel@vger.kernel.org Message-Id: <20060627043743.14320.6281.stgit@nigel.suspend2.net> In-Reply-To: <20060627043716.14320.30977.stgit@nigel.suspend2.net> References: <20060627043716.14320.30977.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 Routines to tell the core how much memory and space in the image header is required for the compression support. Signed-off-by: Nigel Cunningham kernel/power/compression.c | 17 +++++++++++++++++ 1 files changed, 17 insertions(+), 0 deletions(-) diff --git a/kernel/power/compression.c b/kernel/power/compression.c index 6578e8c..b8005c7 100644 --- a/kernel/power/compression.c +++ b/kernel/power/compression.c @@ -399,4 +399,21 @@ static int suspend_compress_print_debug_ return len; } +/* + * suspend_compress_compression_memory_needed + * + * Tell the caller how much memory we need to operate during suspend/resume. + * Returns: Unsigned long. Maximum number of bytes of memory required for + * operation. + */ +static unsigned long suspend_compress_memory_needed(void) +{ + return 2 * PAGE_SIZE; +} + +static unsigned long suspend_compress_storage_needed(void) +{ + return 4 * sizeof(unsigned long) + strlen(suspend_compressor_name) + 1; +} + -- Nigel Cunningham nigel at suspend2 dot net