diff options
Diffstat (limited to 'kernel/power/swsusp.c')
| -rw-r--r-- | kernel/power/swsusp.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c index f0ee4e7780d6..17f669c83012 100644 --- a/kernel/power/swsusp.c +++ b/kernel/power/swsusp.c | |||
| @@ -62,6 +62,16 @@ unsigned long image_size = 500 * 1024 * 1024; | |||
| 62 | 62 | ||
| 63 | int in_suspend __nosavedata = 0; | 63 | int in_suspend __nosavedata = 0; |
| 64 | 64 | ||
| 65 | #ifdef CONFIG_HIGHMEM | ||
| 66 | unsigned int count_highmem_pages(void); | ||
| 67 | int save_highmem(void); | ||
| 68 | int restore_highmem(void); | ||
| 69 | #else | ||
| 70 | static inline int save_highmem(void) { return 0; } | ||
| 71 | static inline int restore_highmem(void) { return 0; } | ||
| 72 | static inline unsigned int count_highmem_pages(void) { return 0; } | ||
| 73 | #endif | ||
| 74 | |||
| 65 | /** | 75 | /** |
| 66 | * The following functions are used for tracing the allocated | 76 | * The following functions are used for tracing the allocated |
| 67 | * swap pages, so that they can be freed in case of an error. | 77 | * swap pages, so that they can be freed in case of an error. |
| @@ -182,7 +192,7 @@ int swsusp_shrink_memory(void) | |||
| 182 | 192 | ||
| 183 | printk("Shrinking memory... "); | 193 | printk("Shrinking memory... "); |
| 184 | do { | 194 | do { |
| 185 | size = 2 * count_special_pages(); | 195 | size = 2 * count_highmem_pages(); |
| 186 | size += size / 50 + count_data_pages(); | 196 | size += size / 50 + count_data_pages(); |
| 187 | size += (size + PBES_PER_PAGE - 1) / PBES_PER_PAGE + | 197 | size += (size + PBES_PER_PAGE - 1) / PBES_PER_PAGE + |
| 188 | PAGES_FOR_IO; | 198 | PAGES_FOR_IO; |
| @@ -226,7 +236,7 @@ int swsusp_suspend(void) | |||
| 226 | goto Enable_irqs; | 236 | goto Enable_irqs; |
| 227 | } | 237 | } |
| 228 | 238 | ||
| 229 | if ((error = save_special_mem())) { | 239 | if ((error = save_highmem())) { |
| 230 | printk(KERN_ERR "swsusp: Not enough free pages for highmem\n"); | 240 | printk(KERN_ERR "swsusp: Not enough free pages for highmem\n"); |
| 231 | goto Restore_highmem; | 241 | goto Restore_highmem; |
| 232 | } | 242 | } |
| @@ -237,7 +247,7 @@ int swsusp_suspend(void) | |||
| 237 | /* Restore control flow magically appears here */ | 247 | /* Restore control flow magically appears here */ |
| 238 | restore_processor_state(); | 248 | restore_processor_state(); |
| 239 | Restore_highmem: | 249 | Restore_highmem: |
| 240 | restore_special_mem(); | 250 | restore_highmem(); |
| 241 | device_power_up(); | 251 | device_power_up(); |
| 242 | Enable_irqs: | 252 | Enable_irqs: |
| 243 | local_irq_enable(); | 253 | local_irq_enable(); |
| @@ -263,7 +273,7 @@ int swsusp_resume(void) | |||
| 263 | */ | 273 | */ |
| 264 | swsusp_free(); | 274 | swsusp_free(); |
| 265 | restore_processor_state(); | 275 | restore_processor_state(); |
| 266 | restore_special_mem(); | 276 | restore_highmem(); |
| 267 | touch_softlockup_watchdog(); | 277 | touch_softlockup_watchdog(); |
| 268 | device_power_up(); | 278 | device_power_up(); |
| 269 | local_irq_enable(); | 279 | local_irq_enable(); |
