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Diffstat (limited to 'kernel/power/tuxonice_pagedir.h')
-rw-r--r-- | kernel/power/tuxonice_pagedir.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/kernel/power/tuxonice_pagedir.h b/kernel/power/tuxonice_pagedir.h new file mode 100644 index 000000000..046535918 --- /dev/null +++ b/kernel/power/tuxonice_pagedir.h @@ -0,0 +1,50 @@ +/* + * kernel/power/tuxonice_pagedir.h + * + * Copyright (C) 2006-2015 Nigel Cunningham (nigel at nigelcunningham com au) + * + * This file is released under the GPLv2. + * + * Declarations for routines for handling pagesets. + */ + +#ifndef KERNEL_POWER_PAGEDIR_H +#define KERNEL_POWER_PAGEDIR_H + +/* Pagedir + * + * Contains the metadata for a set of pages saved in the image. + */ + +struct pagedir { + int id; + unsigned long size; +#ifdef CONFIG_HIGHMEM + unsigned long size_high; +#endif +}; + +#ifdef CONFIG_HIGHMEM +#define get_highmem_size(pagedir) (pagedir.size_high) +#define set_highmem_size(pagedir, sz) do { pagedir.size_high = sz; } while (0) +#define inc_highmem_size(pagedir) do { pagedir.size_high++; } while (0) +#define get_lowmem_size(pagedir) (pagedir.size - pagedir.size_high) +#else +#define get_highmem_size(pagedir) (0) +#define set_highmem_size(pagedir, sz) do { } while (0) +#define inc_highmem_size(pagedir) do { } while (0) +#define get_lowmem_size(pagedir) (pagedir.size) +#endif + +extern struct pagedir pagedir1, pagedir2; + +extern void toi_copy_pageset1(void); + +extern int toi_get_pageset1_load_addresses(void); + +extern unsigned long __toi_get_nonconflicting_page(void); +struct page *___toi_get_nonconflicting_page(int can_be_highmem); + +extern void toi_reset_alt_image_pageset2_pfn(void); +extern int add_boot_kernel_data_pbe(void); +#endif |