From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933177AbWFZWgA (ORCPT ); Mon, 26 Jun 2006 18:36:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933181AbWFZWgA (ORCPT ); Mon, 26 Jun 2006 18:36:00 -0400 Received: from cust9421.vic01.dataco.com.au ([203.171.70.205]:42911 "EHLO nigel.suspend2.net") by vger.kernel.org with ESMTP id S933175AbWFZWf5 (ORCPT ); Mon, 26 Jun 2006 18:35:57 -0400 From: Nigel Cunningham Subject: [Suspend2][ 20/20] [Suspend2] Prepare image header file Date: Tue, 27 Jun 2006 08:35:55 +1000 To: linux-kernel@vger.kernel.org Message-Id: <20060626223553.4050.55187.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 Header file for image preparation routines and exported functions. Signed-off-by: Nigel Cunningham kernel/power/prepare_image.h | 92 ++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 92 insertions(+), 0 deletions(-) diff --git a/kernel/power/prepare_image.h b/kernel/power/prepare_image.h new file mode 100644 index 0000000..912f570 --- /dev/null +++ b/kernel/power/prepare_image.h @@ -0,0 +1,92 @@ +/* + * kernel/power/prepare_image.h + * + * Copyright (C) 2003-2006 Nigel Cunningham + * + * This file is released under the GPLv2. + * + */ + +extern int suspend_prepare_image(void); +extern void suspend_recalculate_image_contents(int storage_available); +extern long real_nr_free_pages(void); +extern long image_size_limit; +extern long pageset1_sizelow, pageset2_sizelow; + +struct pageset_sizes_result { + long size1; /* Can't be unsigned - breaks MAX function */ + long size1low; + long size2; + long size2low; +}; + +#ifdef CONFIG_CRYPTO +extern int suspend_expected_compression_ratio(void); +#else +static inline int suspend_expected_compression_ratio(void) +{ + return 0; +}; +#endif + +#define MIN_FREE_RAM 2000 +#define MIN_EXTRA_PAGES_ALLOWANCE 500 + +extern long extra_pd1_pages_allowance; +extern long storage_needed(int use_ecr, int ignore_extra_p1_allowance); +extern long ram_to_suspend(void); + +#ifdef CONFIG_DEBUG_RODATA +extern char __start_rodata, __end_rodata; + +static inline struct page* rodata_start_page(void) +{ + return virt_to_page(&__start_rodata); +} + +static inline struct page* rodata_end_page(void) +{ + return virt_to_page(&__end_rodata); +} + +#else +static inline struct page* rodata_start_page(void) +{ + return NULL; +} + +static inline struct page* rodata_end_page(void) +{ + return NULL; +} +#endif + +#ifdef CONFIG_PPC +extern char _etext[]; + +static inline struct page* rotext_start_page(void) +{ + return virt_to_page(PAGE_OFFSET); +} +#else +extern char _text[], _etext[]; +static inline struct page* rotext_start_page(void) +{ + return virt_to_page(_text); +} +#endif + +static inline struct page* rotext_end_page(void) +{ + return virt_to_page(_etext); +} + +static inline struct page* nosave_start_page(void) +{ + return virt_to_page(&__nosave_begin); +} + +static inline struct page* nosave_end_page(void) +{ + return virt_to_page(&__nosave_end); +} -- Nigel Cunningham nigel at suspend2 dot net