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-rw-r--r--kernel/power/snapshot.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index c5863d02c89e..3eeedbb13b78 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -240,14 +240,15 @@ static void copy_data_pages(struct pbe *pblist)
240 * free_pagedir - free pages allocated with alloc_pagedir() 240 * free_pagedir - free pages allocated with alloc_pagedir()
241 */ 241 */
242 242
243static void free_pagedir(struct pbe *pblist) 243static void free_pagedir(struct pbe *pblist, int clear_nosave_free)
244{ 244{
245 struct pbe *pbe; 245 struct pbe *pbe;
246 246
247 while (pblist) { 247 while (pblist) {
248 pbe = (pblist + PB_PAGE_SKIP)->next; 248 pbe = (pblist + PB_PAGE_SKIP)->next;
249 ClearPageNosave(virt_to_page(pblist)); 249 ClearPageNosave(virt_to_page(pblist));
250 ClearPageNosaveFree(virt_to_page(pblist)); 250 if (clear_nosave_free)
251 ClearPageNosaveFree(virt_to_page(pblist));
251 free_page((unsigned long)pblist); 252 free_page((unsigned long)pblist);
252 pblist = pbe; 253 pblist = pbe;
253 } 254 }
@@ -389,7 +390,7 @@ struct pbe *alloc_pagedir(unsigned int nr_pages, gfp_t gfp_mask, int safe_needed
389 pbe->next = alloc_image_page(gfp_mask, safe_needed); 390 pbe->next = alloc_image_page(gfp_mask, safe_needed);
390 } 391 }
391 if (!pbe) { /* get_zeroed_page() failed */ 392 if (!pbe) { /* get_zeroed_page() failed */
392 free_pagedir(pblist); 393 free_pagedir(pblist, 1);
393 pblist = NULL; 394 pblist = NULL;
394 } else 395 } else
395 create_pbe_list(pblist, nr_pages); 396 create_pbe_list(pblist, nr_pages);
@@ -736,7 +737,7 @@ static int create_image(struct snapshot_handle *handle)
736 pblist = alloc_pagedir(nr_copy_pages, GFP_ATOMIC, 1); 737 pblist = alloc_pagedir(nr_copy_pages, GFP_ATOMIC, 1);
737 if (pblist) 738 if (pblist)
738 copy_page_backup_list(pblist, p); 739 copy_page_backup_list(pblist, p);
739 free_pagedir(p); 740 free_pagedir(p, 0);
740 if (!pblist) 741 if (!pblist)
741 error = -ENOMEM; 742 error = -ENOMEM;
742 } 743 }