static void copy_data_pages(struct pbe *pblist)
{
struct zone *zone;
unsigned long zone_pfn;
struct pbe *pbe, *p;
pbe = pblist;
for_each_zone (zone) {
if (is_highmem(zone))
continue;
mark_free_pages(zone);
/* This is necessary for swsusp_free() */
for_each_pb_page (p, pblist)
SetPageNosaveFree(virt_to_page(p));
for_each_pbe (p, pblist)
SetPageNosaveFree(virt_to_page(p->address));
for (zone_pfn = 0; zone_pfn < zone->spanned_pages; ++zone_pfn) {
if (saveable(zone, &zone_pfn)) {
struct page *page;
page = pfn_to_page(zone_pfn + zone->zone_start_pfn);
BUG_ON(!pbe);
pbe->orig_address = (unsigned long)page_address(page);
/* copy_page is not usable for copying task structs. */
memcpy((void *)pbe->address, (void *)pbe->orig_address, PAGE_SIZE);
pbe = pbe->next;
}
}
}
BUG_ON(pbe);
}
static void copy_data_pages(void)
{
struct zone *zone;
unsigned long zone_pfn;
struct pbe * pbe = pagedir_nosave;
int to_copy = nr_copy_pages;
for_each_zone(zone) {
if (is_highmem(zone))
continue;
mark_free_pages(zone);
for (zone_pfn = 0; zone_pfn < zone->spanned_pages; ++zone_pfn) {
if (saveable(zone, &zone_pfn)) {
struct page * page;
page = pfn_to_page(zone_pfn + zone->zone_start_pfn);
pbe->orig_address = (long) page_address(page);
/* copy_page is not usable for copying task structs. */
memcpy((void *)pbe->address, (void *)pbe->orig_address, PAGE_SIZE);
pbe++;
to_copy--;
}
}
}
BUG_ON(to_copy);
}
static void count_pages(void)
{
unsigned long pfn;
int n = 0;
for (pfn = 0; pfn < max_pfn; pfn++) {
if (saveable(&pfn))
n++;
}
pmdisk_pages = n;
}
static unsigned count_data_pages(void)
{
struct zone *zone;
unsigned long zone_pfn;
unsigned int n = 0;
for_each_zone (zone) {
if (is_highmem(zone))
continue;
mark_free_pages(zone);
for (zone_pfn = 0; zone_pfn < zone->spanned_pages; ++zone_pfn)
n += saveable(zone, &zone_pfn);
}
return n;
}
static void copy_pages(void)
{
struct pbe * p = pagedir_save;
unsigned long pfn;
int n = 0;
for (pfn = 0; pfn < max_pfn; pfn++) {
if (saveable(&pfn)) {
n++;
p->orig_address = ADDRESS(pfn);
copy_page((void *) p->address,
(void *) p->orig_address);
p++;
}
}
BUG_ON(n != pmdisk_pages);
}
