Lines Matching refs:pfn
746 static int memory_bm_find_bit(struct memory_bitmap *bm, unsigned long pfn, in memory_bm_find_bit() argument
755 if (pfn >= zone->start_pfn && pfn < zone->end_pfn) in memory_bm_find_bit()
762 if (pfn >= curr->start_pfn && pfn < curr->end_pfn) { in memory_bm_find_bit()
784 ((pfn - zone->start_pfn) & ~BM_BLOCK_MASK) == bm->cur.node_pfn) in memory_bm_find_bit()
788 block_nr = (pfn - zone->start_pfn) >> BM_BLOCK_SHIFT; in memory_bm_find_bit()
803 bm->cur.node_pfn = (pfn - zone->start_pfn) & ~BM_BLOCK_MASK; in memory_bm_find_bit()
804 bm->cur.cur_pfn = pfn; in memory_bm_find_bit()
808 *bit_nr = (pfn - zone->start_pfn) & BM_BLOCK_MASK; in memory_bm_find_bit()
813 static void memory_bm_set_bit(struct memory_bitmap *bm, unsigned long pfn) in memory_bm_set_bit() argument
819 error = memory_bm_find_bit(bm, pfn, &addr, &bit); in memory_bm_set_bit()
824 static int mem_bm_set_bit_check(struct memory_bitmap *bm, unsigned long pfn) in mem_bm_set_bit_check() argument
830 error = memory_bm_find_bit(bm, pfn, &addr, &bit); in mem_bm_set_bit_check()
837 static void memory_bm_clear_bit(struct memory_bitmap *bm, unsigned long pfn) in memory_bm_clear_bit() argument
843 error = memory_bm_find_bit(bm, pfn, &addr, &bit); in memory_bm_clear_bit()
861 static int memory_bm_test_bit(struct memory_bitmap *bm, unsigned long pfn) in memory_bm_test_bit() argument
867 error = memory_bm_find_bit(bm, pfn, &addr, &bit); in memory_bm_test_bit()
872 static bool memory_bm_pfn_present(struct memory_bitmap *bm, unsigned long pfn) in memory_bm_pfn_present() argument
877 return !memory_bm_find_bit(bm, pfn, &addr, &bit); in memory_bm_pfn_present()
929 unsigned long bits, pfn, pages; in memory_bm_next_pfn() local
938 pfn = bm->cur.zone->start_pfn + bm->cur.node_pfn + bit; in memory_bm_next_pfn()
940 bm->cur.cur_pfn = pfn; in memory_bm_next_pfn()
941 return pfn; in memory_bm_next_pfn()
1091 unsigned long pfn; in mark_nosave_pages() local
1098 for (pfn = region->start_pfn; pfn < region->end_pfn; pfn++) in mark_nosave_pages()
1099 if (pfn_valid(pfn)) { in mark_nosave_pages()
1106 mem_bm_set_bit_check(bm, pfn); in mark_nosave_pages()
1199 unsigned long pfn; in clear_or_poison_free_pages() local
1206 pfn = memory_bm_next_pfn(bm); in clear_or_poison_free_pages()
1207 while (pfn != BM_END_OF_MAP) { in clear_or_poison_free_pages()
1208 if (pfn_valid(pfn)) in clear_or_poison_free_pages()
1209 clear_or_poison_free_page(pfn_to_page(pfn)); in clear_or_poison_free_pages()
1211 pfn = memory_bm_next_pfn(bm); in clear_or_poison_free_pages()
1248 unsigned long pfn, max_zone_pfn, page_count = WD_PAGE_COUNT; in mark_free_pages() local
1259 for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++) in mark_free_pages()
1260 if (pfn_valid(pfn)) { in mark_free_pages()
1261 page = pfn_to_page(pfn); in mark_free_pages()
1280 pfn = page_to_pfn(page); in mark_free_pages()
1286 swsusp_set_page_free(pfn_to_page(pfn + i)); in mark_free_pages()
1319 static struct page *saveable_highmem_page(struct zone *zone, unsigned long pfn) in saveable_highmem_page() argument
1323 if (!pfn_valid(pfn)) in saveable_highmem_page()
1326 page = pfn_to_online_page(pfn); in saveable_highmem_page()
1353 unsigned long pfn, max_zone_pfn; in count_highmem_pages() local
1360 for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++) in count_highmem_pages()
1361 if (saveable_highmem_page(zone, pfn)) in count_highmem_pages()
1383 static struct page *saveable_page(struct zone *zone, unsigned long pfn) in saveable_page() argument
1387 if (!pfn_valid(pfn)) in saveable_page()
1390 page = pfn_to_online_page(pfn); in saveable_page()
1403 && (!kernel_page_present(page) || pfn_is_nosave(pfn))) in saveable_page()
1418 unsigned long pfn, max_zone_pfn; in count_data_pages() local
1427 for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++) in count_data_pages()
1428 if (saveable_page(zone, pfn)) in count_data_pages()
1475 static inline struct page *page_is_saveable(struct zone *zone, unsigned long pfn) in page_is_saveable() argument
1478 saveable_highmem_page(zone, pfn) : saveable_page(zone, pfn); in page_is_saveable()
1512 #define page_is_saveable(zone, pfn) saveable_page(zone, pfn) argument
1533 unsigned long pfn, copy_pfn; in copy_data_pages() local
1540 for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++) in copy_data_pages()
1541 if (page_is_saveable(zone, pfn)) in copy_data_pages()
1542 memory_bm_set_bit(orig_bm, pfn); in copy_data_pages()
1548 pfn = memory_bm_next_pfn(orig_bm); in copy_data_pages()
1549 if (unlikely(pfn == BM_END_OF_MAP)) in copy_data_pages()
1551 if (copy_data_page(copy_pfn, pfn)) { in copy_data_pages()
1552 memory_bm_set_bit(zero_bm, pfn); in copy_data_pages()
1759 unsigned long pfn = memory_bm_next_pfn(©_bm); in free_unnecessary_pages() local
1760 struct page *page = pfn_to_page(pfn); in free_unnecessary_pages()
1773 memory_bm_clear_bit(©_bm, pfn); in free_unnecessary_pages()
2294 unsigned long pfn; in duplicate_memory_bitmap() local
2297 pfn = memory_bm_next_pfn(src); in duplicate_memory_bitmap()
2298 while (pfn != BM_END_OF_MAP) { in duplicate_memory_bitmap()
2299 memory_bm_set_bit(dst, pfn); in duplicate_memory_bitmap()
2300 pfn = memory_bm_next_pfn(src); in duplicate_memory_bitmap()
2312 unsigned long pfn; in mark_unsafe_pages() local
2316 pfn = memory_bm_next_pfn(free_pages_map); in mark_unsafe_pages()
2317 while (pfn != BM_END_OF_MAP) { in mark_unsafe_pages()
2319 pfn = memory_bm_next_pfn(free_pages_map); in mark_unsafe_pages()
2426 unsigned long pfn; in count_highmem_image_pages() local
2430 pfn = memory_bm_next_pfn(bm); in count_highmem_image_pages()
2431 while (pfn != BM_END_OF_MAP) { in count_highmem_image_pages()
2432 if (PageHighMem(pfn_to_page(pfn))) in count_highmem_image_pages()
2435 pfn = memory_bm_next_pfn(bm); in count_highmem_image_pages()
2727 unsigned long pfn = memory_bm_next_pfn(bm); in get_buffer() local
2729 if (pfn == BM_END_OF_MAP) in get_buffer()
2732 page = pfn_to_page(pfn); in get_buffer()