diff options
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/snapshot.c | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index 704c25a3ffec..48fc7a35571b 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -67,15 +67,15 @@ static void *get_image_page(gfp_t gfp_mask, int safe_needed) res = (void *)get_zeroed_page(gfp_mask); if (safe_needed) - while (res && PageNosaveFree(virt_to_page(res))) { + while (res && swsusp_page_is_free(virt_to_page(res))) { /* The page is unsafe, mark it for swsusp_free() */ - SetPageNosave(virt_to_page(res)); + swsusp_set_page_forbidden(virt_to_page(res)); allocated_unsafe_pages++; res = (void *)get_zeroed_page(gfp_mask); } if (res) { - SetPageNosave(virt_to_page(res)); - SetPageNosaveFree(virt_to_page(res)); + swsusp_set_page_forbidden(virt_to_page(res)); + swsusp_set_page_free(virt_to_page(res)); } return res; } @@ -91,8 +91,8 @@ static struct page *alloc_image_page(gfp_t gfp_mask) page = alloc_page(gfp_mask); if (page) { - SetPageNosave(page); - SetPageNosaveFree(page); + swsusp_set_page_forbidden(page); + swsusp_set_page_free(page); } return page; } @@ -110,9 +110,9 @@ static inline void free_image_page(void *addr, int clear_nosave_free) page = virt_to_page(addr); - ClearPageNosave(page); + swsusp_unset_page_forbidden(page); if (clear_nosave_free) - ClearPageNosaveFree(page); + swsusp_unset_page_free(page); __free_page(page); } @@ -615,7 +615,8 @@ static struct page *saveable_highmem_page(unsigned long pfn) BUG_ON(!PageHighMem(page)); - if (PageNosave(page) || PageReserved(page) || PageNosaveFree(page)) + if (swsusp_page_is_forbidden(page) || swsusp_page_is_free(page) || + PageReserved(page)) return NULL; return page; @@ -670,7 +671,7 @@ static struct page *saveable_page(unsigned long pfn) BUG_ON(PageHighMem(page)); - if (PageNosave(page) || PageNosaveFree(page)) + if (swsusp_page_is_forbidden(page) || swsusp_page_is_free(page)) return NULL; if (PageReserved(page) && pfn_is_nosave(pfn)) @@ -810,9 +811,10 @@ void swsusp_free(void) if (pfn_valid(pfn)) { struct page *page = pfn_to_page(pfn); - if (PageNosave(page) && PageNosaveFree(page)) { - ClearPageNosave(page); - ClearPageNosaveFree(page); + if (swsusp_page_is_forbidden(page) && + swsusp_page_is_free(page)) { + swsusp_unset_page_forbidden(page); + swsusp_unset_page_free(page); __free_page(page); } } @@ -1135,7 +1137,7 @@ static int mark_unsafe_pages(struct memory_bitmap *bm) max_zone_pfn = zone->zone_start_pfn + zone->spanned_pages; for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++) if (pfn_valid(pfn)) - ClearPageNosaveFree(pfn_to_page(pfn)); + swsusp_unset_page_free(pfn_to_page(pfn)); } /* Mark pages that correspond to the "original" pfns as "unsafe" */ @@ -1144,7 +1146,7 @@ static int mark_unsafe_pages(struct memory_bitmap *bm) pfn = memory_bm_next_pfn(bm); if (likely(pfn != BM_END_OF_MAP)) { if (likely(pfn_valid(pfn))) - SetPageNosaveFree(pfn_to_page(pfn)); + swsusp_set_page_free(pfn_to_page(pfn)); else return -EFAULT; } @@ -1310,14 +1312,14 @@ prepare_highmem_image(struct memory_bitmap *bm, unsigned int *nr_highmem_p) struct page *page; page = alloc_page(__GFP_HIGHMEM); - if (!PageNosaveFree(page)) { + if (!swsusp_page_is_free(page)) { /* The page is "safe", set its bit the bitmap */ memory_bm_set_bit(bm, page_to_pfn(page)); safe_highmem_pages++; } /* Mark the page as allocated */ - SetPageNosave(page); - SetPageNosaveFree(page); + swsusp_set_page_forbidden(page); + swsusp_set_page_free(page); } memory_bm_position_reset(bm); safe_highmem_bm = bm; @@ -1349,7 +1351,7 @@ get_highmem_page_buffer(struct page *page, struct chain_allocator *ca) struct highmem_pbe *pbe; void *kaddr; - if (PageNosave(page) && PageNosaveFree(page)) { + if (swsusp_page_is_forbidden(page) && swsusp_page_is_free(page)) { /* We have allocated the "original" page frame and we can * use it directly to store the loaded page. */ @@ -1511,14 +1513,14 @@ prepare_image(struct memory_bitmap *new_bm, struct memory_bitmap *bm) error = -ENOMEM; goto Free; } - if (!PageNosaveFree(virt_to_page(lp))) { + if (!swsusp_page_is_free(virt_to_page(lp))) { /* The page is "safe", add it to the list */ lp->next = safe_pages_list; safe_pages_list = lp; } /* Mark the page as allocated */ - SetPageNosave(virt_to_page(lp)); - SetPageNosaveFree(virt_to_page(lp)); + swsusp_set_page_forbidden(virt_to_page(lp)); + swsusp_set_page_free(virt_to_page(lp)); nr_pages--; } /* Free the reserved safe pages so that chain_alloc() can use them */ @@ -1547,7 +1549,7 @@ static void *get_buffer(struct memory_bitmap *bm, struct chain_allocator *ca) if (PageHighMem(page)) return get_highmem_page_buffer(page, ca); - if (PageNosave(page) && PageNosaveFree(page)) + if (swsusp_page_is_forbidden(page) && swsusp_page_is_free(page)) /* We have allocated the "original" page frame and we can * use it directly to store the loaded page. */ |