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-rw-r--r--kernel/power/snapshot.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 24c96f35423..75d4886e648 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -227,11 +227,17 @@ static void copy_data_pages(struct pbe *pblist)
for (zone_pfn = 0; zone_pfn < zone->spanned_pages; ++zone_pfn) {
if (saveable(zone, &zone_pfn)) {
struct page *page;
+ long *src, *dst;
+ int n;
+
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);
+ /* copy_page and memcpy are not usable for copying task structs. */
+ dst = (long *)pbe->address;
+ src = (long *)pbe->orig_address;
+ for (n = PAGE_SIZE / sizeof(long); n; n--)
+ *dst++ = *src++;
pbe = pbe->next;
}
}