int in_suspend __nosavedata = 0;
-#ifdef CONFIG_HIGHMEM
-unsigned int count_highmem_pages(void);
-int save_highmem(void);
-int restore_highmem(void);
-#else
-static int save_highmem(void) { return 0; }
-static int restore_highmem(void) { return 0; }
-static unsigned int count_highmem_pages(void) { return 0; }
-#endif
-
/**
* The following functions are used for tracing the allocated
* swap pages, so that they can be freed in case of an error.
*/
#define SHRINK_BITE 10000
+static inline unsigned long __shrink_memory(long tmp)
+{
+ if (tmp > SHRINK_BITE)
+ tmp = SHRINK_BITE;
+ return shrink_all_memory(tmp);
+}
int swsusp_shrink_memory(void)
{
printk("Shrinking memory... ");
do {
- size = 2 * count_highmem_pages();
+ size = 2 * count_special_pages();
size += size / 50 + count_data_pages();
size += (size + PBES_PER_PAGE - 1) / PBES_PER_PAGE +
PAGES_FOR_IO;
tmp = size;
for_each_zone (zone)
- if (!is_highmem(zone))
+ if (!is_highmem(zone) && populated_zone(zone)) {
tmp -= zone->free_pages;
+ tmp += zone->lowmem_reserve[ZONE_NORMAL];
+ }
if (tmp > 0) {
- tmp = shrink_all_memory(SHRINK_BITE);
+ tmp = __shrink_memory(tmp);
if (!tmp)
return -ENOMEM;
pages += tmp;
} else if (size > image_size / PAGE_SIZE) {
- tmp = shrink_all_memory(SHRINK_BITE);
+ tmp = __shrink_memory(size - (image_size / PAGE_SIZE));
pages += tmp;
}
printk("\b%c", p[i++%4]);
goto Enable_irqs;
}
- if ((error = save_highmem())) {
+ if ((error = save_special_mem())) {
printk(KERN_ERR "swsusp: Not enough free pages for highmem\n");
goto Restore_highmem;
}
/* Restore control flow magically appears here */
restore_processor_state();
Restore_highmem:
- restore_highmem();
+ restore_special_mem();
device_power_up();
Enable_irqs:
local_irq_enable();
*/
swsusp_free();
restore_processor_state();
- restore_highmem();
+ restore_special_mem();
touch_softlockup_watchdog();
device_power_up();
local_irq_enable();