Lines Matching refs:pfn
748 static int memory_bm_find_bit(struct memory_bitmap *bm, unsigned long pfn, in memory_bm_find_bit() argument
757 if (pfn >= zone->start_pfn && pfn < zone->end_pfn) in memory_bm_find_bit()
764 if (pfn >= curr->start_pfn && pfn < curr->end_pfn) { in memory_bm_find_bit()
786 ((pfn - zone->start_pfn) & ~BM_BLOCK_MASK) == bm->cur.node_pfn) in memory_bm_find_bit()
790 block_nr = (pfn - zone->start_pfn) >> BM_BLOCK_SHIFT; in memory_bm_find_bit()
805 bm->cur.node_pfn = (pfn - zone->start_pfn) & ~BM_BLOCK_MASK; in memory_bm_find_bit()
806 bm->cur.cur_pfn = pfn; in memory_bm_find_bit()
810 *bit_nr = (pfn - zone->start_pfn) & BM_BLOCK_MASK; in memory_bm_find_bit()
815 static void memory_bm_set_bit(struct memory_bitmap *bm, unsigned long pfn) in memory_bm_set_bit() argument
821 error = memory_bm_find_bit(bm, pfn, &addr, &bit); in memory_bm_set_bit()
826 static int mem_bm_set_bit_check(struct memory_bitmap *bm, unsigned long pfn) in mem_bm_set_bit_check() argument
832 error = memory_bm_find_bit(bm, pfn, &addr, &bit); in mem_bm_set_bit_check()
839 static void memory_bm_clear_bit(struct memory_bitmap *bm, unsigned long pfn) in memory_bm_clear_bit() argument
845 error = memory_bm_find_bit(bm, pfn, &addr, &bit); in memory_bm_clear_bit()
863 static int memory_bm_test_bit(struct memory_bitmap *bm, unsigned long pfn) in memory_bm_test_bit() argument
869 error = memory_bm_find_bit(bm, pfn, &addr, &bit); in memory_bm_test_bit()
874 static bool memory_bm_pfn_present(struct memory_bitmap *bm, unsigned long pfn) in memory_bm_pfn_present() argument
879 return !memory_bm_find_bit(bm, pfn, &addr, &bit); in memory_bm_pfn_present()
931 unsigned long bits, pfn, pages; in memory_bm_next_pfn() local
940 pfn = bm->cur.zone->start_pfn + bm->cur.node_pfn + bit; in memory_bm_next_pfn()
942 bm->cur.cur_pfn = pfn; in memory_bm_next_pfn()
943 return pfn; in memory_bm_next_pfn()
1093 unsigned long pfn; in mark_nosave_pages() local
1100 for (pfn = region->start_pfn; pfn < region->end_pfn; pfn++) in mark_nosave_pages()
1101 if (pfn_valid(pfn)) { in mark_nosave_pages()
1108 mem_bm_set_bit_check(bm, pfn); in mark_nosave_pages()
1201 unsigned long pfn; in clear_or_poison_free_pages() local
1208 pfn = memory_bm_next_pfn(bm); in clear_or_poison_free_pages()
1209 while (pfn != BM_END_OF_MAP) { in clear_or_poison_free_pages()
1210 if (pfn_valid(pfn)) in clear_or_poison_free_pages()
1211 clear_or_poison_free_page(pfn_to_page(pfn)); in clear_or_poison_free_pages()
1213 pfn = memory_bm_next_pfn(bm); in clear_or_poison_free_pages()
1250 unsigned long pfn, max_zone_pfn, page_count = WD_PAGE_COUNT; in mark_free_pages() local
1261 for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++) in mark_free_pages()
1262 if (pfn_valid(pfn)) { in mark_free_pages()
1263 page = pfn_to_page(pfn); in mark_free_pages()
1282 pfn = page_to_pfn(page); in mark_free_pages()
1288 swsusp_set_page_free(pfn_to_page(pfn + i)); in mark_free_pages()
1321 static struct page *saveable_highmem_page(struct zone *zone, unsigned long pfn) in saveable_highmem_page() argument
1325 if (!pfn_valid(pfn)) in saveable_highmem_page()
1328 page = pfn_to_online_page(pfn); in saveable_highmem_page()
1355 unsigned long pfn, max_zone_pfn; in count_highmem_pages() local
1362 for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++) in count_highmem_pages()
1363 if (saveable_highmem_page(zone, pfn)) in count_highmem_pages()
1380 static struct page *saveable_page(struct zone *zone, unsigned long pfn) in saveable_page() argument
1384 if (!pfn_valid(pfn)) in saveable_page()
1387 page = pfn_to_online_page(pfn); in saveable_page()
1400 && (!kernel_page_present(page) || pfn_is_nosave(pfn))) in saveable_page()
1415 unsigned long pfn, max_zone_pfn; in count_data_pages() local
1424 for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++) in count_data_pages()
1425 if (saveable_page(zone, pfn)) in count_data_pages()
1472 static inline struct page *page_is_saveable(struct zone *zone, unsigned long pfn) in page_is_saveable() argument
1475 saveable_highmem_page(zone, pfn) : saveable_page(zone, pfn); in page_is_saveable()
1509 #define page_is_saveable(zone, pfn) saveable_page(zone, pfn) argument
1530 unsigned long pfn, copy_pfn; in copy_data_pages() local
1537 for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++) in copy_data_pages()
1538 if (page_is_saveable(zone, pfn)) in copy_data_pages()
1539 memory_bm_set_bit(orig_bm, pfn); in copy_data_pages()
1545 pfn = memory_bm_next_pfn(orig_bm); in copy_data_pages()
1546 if (unlikely(pfn == BM_END_OF_MAP)) in copy_data_pages()
1548 if (copy_data_page(copy_pfn, pfn)) { in copy_data_pages()
1549 memory_bm_set_bit(zero_bm, pfn); in copy_data_pages()
1756 unsigned long pfn = memory_bm_next_pfn(©_bm); in free_unnecessary_pages() local
1757 struct page *page = pfn_to_page(pfn); in free_unnecessary_pages()
1770 memory_bm_clear_bit(©_bm, pfn); in free_unnecessary_pages()
2291 unsigned long pfn; in duplicate_memory_bitmap() local
2294 pfn = memory_bm_next_pfn(src); in duplicate_memory_bitmap()
2295 while (pfn != BM_END_OF_MAP) { in duplicate_memory_bitmap()
2296 memory_bm_set_bit(dst, pfn); in duplicate_memory_bitmap()
2297 pfn = memory_bm_next_pfn(src); in duplicate_memory_bitmap()
2309 unsigned long pfn; in mark_unsafe_pages() local
2313 pfn = memory_bm_next_pfn(free_pages_map); in mark_unsafe_pages()
2314 while (pfn != BM_END_OF_MAP) { in mark_unsafe_pages()
2316 pfn = memory_bm_next_pfn(free_pages_map); in mark_unsafe_pages()
2423 unsigned long pfn; in count_highmem_image_pages() local
2427 pfn = memory_bm_next_pfn(bm); in count_highmem_image_pages()
2428 while (pfn != BM_END_OF_MAP) { in count_highmem_image_pages()
2429 if (PageHighMem(pfn_to_page(pfn))) in count_highmem_image_pages()
2432 pfn = memory_bm_next_pfn(bm); in count_highmem_image_pages()
2725 unsigned long pfn = memory_bm_next_pfn(bm); in get_buffer() local
2727 if (pfn == BM_END_OF_MAP) in get_buffer()
2730 page = pfn_to_page(pfn); in get_buffer()