Messages in this thread Patch in this message | | | From | Nigel Cunningham <> | Subject | [Suspend2][ 20/20] [Suspend2] Prepare image header file | Date | Tue, 27 Jun 2006 08:35:55 +1000 |
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Header file for image preparation routines and exported functions.
Signed-off-by: Nigel Cunningham <nigel@suspend2.net>
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 <nigel@suspend.net> + * + * 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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