417 		unsigned long pfn = ext->start;  in memory_bm_create()  local
433 			bb->start_pfn = pfn;  in memory_bm_create()
435 				pfn += BM_BITS_PER_BLOCK;  in memory_bm_create()
439 				pfn += pages;  in memory_bm_create()
441 			bb->end_pfn = pfn;  in memory_bm_create()
478 static int memory_bm_find_bit(struct memory_bitmap *bm, unsigned long pfn,  in memory_bm_find_bit()  argument
488 	if (pfn < bb->start_pfn)  in memory_bm_find_bit()
490 			if (pfn >= bb->start_pfn)  in memory_bm_find_bit()
493 	if (pfn >= bb->end_pfn)  in memory_bm_find_bit()
495 			if (pfn >= bb->start_pfn && pfn < bb->end_pfn)  in memory_bm_find_bit()
503 	pfn -= bb->start_pfn;  in memory_bm_find_bit()
504 	bm->cur.bit = pfn + 1;  in memory_bm_find_bit()
505 	*bit_nr = pfn;  in memory_bm_find_bit()
510 static void memory_bm_set_bit(struct memory_bitmap *bm, unsigned long pfn)  in memory_bm_set_bit()  argument
516 	error = memory_bm_find_bit(bm, pfn, &addr, &bit);  in memory_bm_set_bit()
521 static int mem_bm_set_bit_check(struct memory_bitmap *bm, unsigned long pfn)  in mem_bm_set_bit_check()  argument
527 	error = memory_bm_find_bit(bm, pfn, &addr, &bit);  in mem_bm_set_bit_check()
533 static void memory_bm_clear_bit(struct memory_bitmap *bm, unsigned long pfn)  in memory_bm_clear_bit()  argument
539 	error = memory_bm_find_bit(bm, pfn, &addr, &bit);  in memory_bm_clear_bit()
544 static int memory_bm_test_bit(struct memory_bitmap *bm, unsigned long pfn)  in memory_bm_test_bit()  argument
550 	error = memory_bm_find_bit(bm, pfn, &addr, &bit);  in memory_bm_test_bit()
555 static bool memory_bm_pfn_present(struct memory_bitmap *bm, unsigned long pfn)  in memory_bm_pfn_present()  argument
560 	return !memory_bm_find_bit(bm, pfn, &addr, &bit);  in memory_bm_pfn_present()
712 		unsigned long pfn;  in mark_nosave_pages()  local
719 		for (pfn = region->start_pfn; pfn < region->end_pfn; pfn++)  in mark_nosave_pages()
720 			if (pfn_valid(pfn)) {  in mark_nosave_pages()
727 				mem_bm_set_bit_check(bm, pfn);  in mark_nosave_pages()
846 static struct page *saveable_highmem_page(struct zone *zone, unsigned long pfn)  in saveable_highmem_page()  argument
850 	if (!pfn_valid(pfn))  in saveable_highmem_page()
853 	page = pfn_to_page(pfn);  in saveable_highmem_page()
880 		unsigned long pfn, max_zone_pfn;  in count_highmem_pages()  local
887 		for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++)  in count_highmem_pages()
888 			if (saveable_highmem_page(zone, pfn))  in count_highmem_pages()
908 static struct page *saveable_page(struct zone *zone, unsigned long pfn)  in saveable_page()  argument
912 	if (!pfn_valid(pfn))  in saveable_page()
915 	page = pfn_to_page(pfn);  in saveable_page()
925 	    && (!kernel_page_present(page) || pfn_is_nosave(pfn)))  in saveable_page()
942 	unsigned long pfn, max_zone_pfn;  in count_data_pages()  local
951 		for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++)  in count_data_pages()
952 			if (saveable_page(zone, pfn))  in count_data_pages()
990 page_is_saveable(struct zone *zone, unsigned long pfn)  in page_is_saveable()  argument
993 		saveable_highmem_page(zone, pfn) : saveable_page(zone, pfn);  in page_is_saveable()
1024 #define page_is_saveable(zone, pfn)	saveable_page(zone, pfn)  argument
1037 	unsigned long pfn;  in copy_data_pages()  local
1044 		for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++)  in copy_data_pages()
1045 			if (page_is_saveable(zone, pfn))  in copy_data_pages()
1046 				memory_bm_set_bit(orig_bm, pfn);  in copy_data_pages()
1051 		pfn = memory_bm_next_pfn(orig_bm);  in copy_data_pages()
1052 		if (unlikely(pfn == BM_END_OF_MAP))  in copy_data_pages()
1054 		copy_data_page(memory_bm_next_pfn(copy_bm), pfn);  in copy_data_pages()
1092 	unsigned long pfn, max_zone_pfn;  in swsusp_free()  local
1096 		for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++)  in swsusp_free()
1097 			if (pfn_valid(pfn)) {  in swsusp_free()
1098 				struct page *page = pfn_to_page(pfn);  in swsusp_free()
1232 		unsigned long pfn = memory_bm_next_pfn(&copy_bm);  in free_unnecessary_pages()  local
1233 		struct page *page = pfn_to_page(pfn);  in free_unnecessary_pages()
1246 		memory_bm_clear_bit(&copy_bm, pfn);  in free_unnecessary_pages()
1753 	unsigned long pfn, max_zone_pfn;  in mark_unsafe_pages()  local
1758 		for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++)  in mark_unsafe_pages()
1759 			if (pfn_valid(pfn))  in mark_unsafe_pages()
1760 				swsusp_unset_page_free(pfn_to_page(pfn));  in mark_unsafe_pages()
1766 		pfn = memory_bm_next_pfn(bm);  in mark_unsafe_pages()
1767 		if (likely(pfn != BM_END_OF_MAP)) {  in mark_unsafe_pages()
1768 			if (likely(pfn_valid(pfn)))  in mark_unsafe_pages()
1769 				swsusp_set_page_free(pfn_to_page(pfn));  in mark_unsafe_pages()
1773 	} while (pfn != BM_END_OF_MAP);  in mark_unsafe_pages()
1783 	unsigned long pfn;  in duplicate_memory_bitmap()  local
1786 	pfn = memory_bm_next_pfn(src);  in duplicate_memory_bitmap()
1787 	while (pfn != BM_END_OF_MAP) {  in duplicate_memory_bitmap()
1788 		memory_bm_set_bit(dst, pfn);  in duplicate_memory_bitmap()
1789 		pfn = memory_bm_next_pfn(src);  in duplicate_memory_bitmap()
1880 	unsigned long pfn;  in count_highmem_image_pages()  local
1884 	pfn = memory_bm_next_pfn(bm);  in count_highmem_image_pages()
1885 	while (pfn != BM_END_OF_MAP) {  in count_highmem_image_pages()
1886 		if (PageHighMem(pfn_to_page(pfn)))  in count_highmem_image_pages()
1889 		pfn = memory_bm_next_pfn(bm);  in count_highmem_image_pages()
2165 	unsigned long pfn = memory_bm_next_pfn(bm);  in get_buffer()  local
2167 	if (pfn == BM_END_OF_MAP)  in get_buffer()
2170 	page = pfn_to_page(pfn);  in get_buffer()