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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 24c96f354231..75d4886e648e 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -227,11 +227,17 @@ static void copy_data_pages(struct pbe *pblist)
227 for (zone_pfn = 0; zone_pfn < zone->spanned_pages; ++zone_pfn) { 227 for (zone_pfn = 0; zone_pfn < zone->spanned_pages; ++zone_pfn) {
228 if (saveable(zone, &zone_pfn)) { 228 if (saveable(zone, &zone_pfn)) {
229 struct page *page; 229 struct page *page;
230 long *src, *dst;
231 int n;
232
230 page = pfn_to_page(zone_pfn + zone->zone_start_pfn); 233 page = pfn_to_page(zone_pfn + zone->zone_start_pfn);
231 BUG_ON(!pbe); 234 BUG_ON(!pbe);
232 pbe->orig_address = (unsigned long)page_address(page); 235 pbe->orig_address = (unsigned long)page_address(page);
233 /* copy_page is not usable for copying task structs. */ 236 /* copy_page and memcpy are not usable for copying task structs. */
234 memcpy((void *)pbe->address, (void *)pbe->orig_address, PAGE_SIZE); 237 dst = (long *)pbe->address;
238 src = (long *)pbe->orig_address;
239 for (n = PAGE_SIZE / sizeof(long); n; n--)
240 *dst++ = *src++;
235 pbe = pbe->next; 241 pbe = pbe->next;
236 } 242 }
237 } 243 }