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-rw-r--r--kernel/power/power.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/kernel/power/power.h b/kernel/power/power.h
index 006270fe382d..9a00a0a26280 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -14,6 +14,10 @@ struct swsusp_info {
14} __attribute__((aligned(PAGE_SIZE))); 14} __attribute__((aligned(PAGE_SIZE)));
15 15
16#ifdef CONFIG_HIBERNATION 16#ifdef CONFIG_HIBERNATION
17/* kernel/power/snapshot.c */
18extern void __init hibernate_reserved_size_init(void);
19extern void __init hibernate_image_size_init(void);
20
17#ifdef CONFIG_ARCH_HIBERNATION_HEADER 21#ifdef CONFIG_ARCH_HIBERNATION_HEADER
18/* Maximum size of architecture specific data in a hibernation header */ 22/* Maximum size of architecture specific data in a hibernation header */
19#define MAX_ARCH_HEADER_SIZE (sizeof(struct new_utsname) + 4) 23#define MAX_ARCH_HEADER_SIZE (sizeof(struct new_utsname) + 4)
@@ -49,7 +53,12 @@ static inline char *check_image_kernel(struct swsusp_info *info)
49extern int hibernation_snapshot(int platform_mode); 53extern int hibernation_snapshot(int platform_mode);
50extern int hibernation_restore(int platform_mode); 54extern int hibernation_restore(int platform_mode);
51extern int hibernation_platform_enter(void); 55extern int hibernation_platform_enter(void);
52#endif 56
57#else /* !CONFIG_HIBERNATION */
58
59static inline void hibernate_reserved_size_init(void) {}
60static inline void hibernate_image_size_init(void) {}
61#endif /* !CONFIG_HIBERNATION */
53 62
54extern int pfn_is_nosave(unsigned long); 63extern int pfn_is_nosave(unsigned long);
55 64
@@ -65,6 +74,8 @@ static struct kobj_attribute _name##_attr = { \
65 74
66/* Preferred image size in bytes (default 500 MB) */ 75/* Preferred image size in bytes (default 500 MB) */
67extern unsigned long image_size; 76extern unsigned long image_size;
77/* Size of memory reserved for drivers (default SPARE_PAGES x PAGE_SIZE) */
78extern unsigned long reserved_size;
68extern int in_suspend; 79extern int in_suspend;
69extern dev_t swsusp_resume_device; 80extern dev_t swsusp_resume_device;
70extern sector_t swsusp_resume_block; 81extern sector_t swsusp_resume_block;
@@ -134,6 +145,7 @@ extern int swsusp_swap_in_use(void);
134 * the image header. 145 * the image header.
135 */ 146 */
136#define SF_PLATFORM_MODE 1 147#define SF_PLATFORM_MODE 1
148#define SF_NOCOMPRESS_MODE 2
137 149
138/* kernel/power/hibernate.c */ 150/* kernel/power/hibernate.c */
139extern int swsusp_check(void); 151extern int swsusp_check(void);