diff options
Diffstat (limited to 'kernel/power')
-rw-r--r-- | kernel/power/snapshot.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index 81fe8de9e604..4afb7900002b 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c | |||
@@ -208,37 +208,36 @@ unsigned int count_data_pages(void) | |||
208 | return n; | 208 | return n; |
209 | } | 209 | } |
210 | 210 | ||
211 | static inline void copy_data_page(long *dst, long *src) | ||
212 | { | ||
213 | int n; | ||
214 | |||
215 | /* copy_page and memcpy are not usable for copying task structs. */ | ||
216 | for (n = PAGE_SIZE / sizeof(long); n; n--) | ||
217 | *dst++ = *src++; | ||
218 | } | ||
219 | |||
211 | static void copy_data_pages(struct pbe *pblist) | 220 | static void copy_data_pages(struct pbe *pblist) |
212 | { | 221 | { |
213 | struct zone *zone; | 222 | struct zone *zone; |
214 | unsigned long pfn, max_zone_pfn; | 223 | unsigned long pfn, max_zone_pfn; |
215 | struct pbe *pbe, *p; | 224 | struct pbe *pbe; |
216 | 225 | ||
217 | pbe = pblist; | 226 | pbe = pblist; |
218 | for_each_zone (zone) { | 227 | for_each_zone (zone) { |
219 | if (is_highmem(zone)) | 228 | if (is_highmem(zone)) |
220 | continue; | 229 | continue; |
221 | mark_free_pages(zone); | 230 | mark_free_pages(zone); |
222 | /* This is necessary for swsusp_free() */ | ||
223 | for_each_pb_page (p, pblist) | ||
224 | SetPageNosaveFree(virt_to_page(p)); | ||
225 | for_each_pbe (p, pblist) | ||
226 | SetPageNosaveFree(virt_to_page(p->address)); | ||
227 | max_zone_pfn = zone->zone_start_pfn + zone->spanned_pages; | 231 | max_zone_pfn = zone->zone_start_pfn + zone->spanned_pages; |
228 | for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++) { | 232 | for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++) { |
229 | struct page *page = saveable_page(pfn); | 233 | struct page *page = saveable_page(pfn); |
230 | 234 | ||
231 | if (page) { | 235 | if (page) { |
232 | long *src, *dst; | 236 | void *ptr = page_address(page); |
233 | int n; | ||
234 | 237 | ||
235 | BUG_ON(!pbe); | 238 | BUG_ON(!pbe); |
236 | pbe->orig_address = (unsigned long)page_address(page); | 239 | copy_data_page((void *)pbe->address, ptr); |
237 | /* copy_page and memcpy are not usable for copying task structs. */ | 240 | pbe->orig_address = (unsigned long)ptr; |
238 | dst = (long *)pbe->address; | ||
239 | src = (long *)pbe->orig_address; | ||
240 | for (n = PAGE_SIZE / sizeof(long); n; n--) | ||
241 | *dst++ = *src++; | ||
242 | pbe = pbe->next; | 241 | pbe = pbe->next; |
243 | } | 242 | } |
244 | } | 243 | } |