329 			     unsigned long start_pfn, unsigned long end_pfn,  in save_mr()  argument
332 	if (start_pfn < end_pfn) {  in save_mr()
336 		mr[nr_range].end   = end_pfn<<PAGE_SHIFT;  in save_mr()
407 	unsigned long start_pfn, end_pfn, limit_pfn;  in split_mem_range()  local
423 		end_pfn = PFN_DOWN(PMD_SIZE);  in split_mem_range()
425 		end_pfn = round_up(pfn, PFN_DOWN(PMD_SIZE));  in split_mem_range()
427 	end_pfn = round_up(pfn, PFN_DOWN(PMD_SIZE));  in split_mem_range()
429 	if (end_pfn > limit_pfn)  in split_mem_range()
430 		end_pfn = limit_pfn;  in split_mem_range()
431 	if (start_pfn < end_pfn) {  in split_mem_range()
432 		nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0);  in split_mem_range()
433 		pfn = end_pfn;  in split_mem_range()
439 	end_pfn = round_down(limit_pfn, PFN_DOWN(PMD_SIZE));  in split_mem_range()
441 	end_pfn = round_up(pfn, PFN_DOWN(PUD_SIZE));  in split_mem_range()
442 	if (end_pfn > round_down(limit_pfn, PFN_DOWN(PMD_SIZE)))  in split_mem_range()
443 		end_pfn = round_down(limit_pfn, PFN_DOWN(PMD_SIZE));  in split_mem_range()
446 	if (start_pfn < end_pfn) {  in split_mem_range()
447 		nr_range = save_mr(mr, nr_range, start_pfn, end_pfn,  in split_mem_range()
449 		pfn = end_pfn;  in split_mem_range()
455 	end_pfn = round_down(limit_pfn, PFN_DOWN(PUD_SIZE));  in split_mem_range()
456 	if (start_pfn < end_pfn) {  in split_mem_range()
457 		nr_range = save_mr(mr, nr_range, start_pfn, end_pfn,  in split_mem_range()
460 		pfn = end_pfn;  in split_mem_range()
465 	end_pfn = round_down(limit_pfn, PFN_DOWN(PMD_SIZE));  in split_mem_range()
466 	if (start_pfn < end_pfn) {  in split_mem_range()
467 		nr_range = save_mr(mr, nr_range, start_pfn, end_pfn,  in split_mem_range()
469 		pfn = end_pfn;  in split_mem_range()
475 	end_pfn = limit_pfn;  in split_mem_range()
476 	nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0);  in split_mem_range()
506 static void add_pfn_range_mapped(unsigned long start_pfn, unsigned long end_pfn)  in add_pfn_range_mapped()  argument
509 					     nr_pfn_mapped, start_pfn, end_pfn);  in add_pfn_range_mapped()
512 	max_pfn_mapped = max(max_pfn_mapped, end_pfn);  in add_pfn_range_mapped()
516 					 min(end_pfn, 1UL<<(32-PAGE_SHIFT)));  in add_pfn_range_mapped()
519 bool pfn_range_is_mapped(unsigned long start_pfn, unsigned long end_pfn)  in pfn_range_is_mapped()  argument
525 		    (end_pfn <= pfn_mapped[i].end))  in pfn_range_is_mapped()
576 	unsigned long start_pfn, end_pfn;  in init_range_memory_mapping()  local
580 	for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, NULL) {  in init_range_memory_mapping()
582 		u64 end = clamp_val(PFN_PHYS(end_pfn), r_start, r_end);  in init_range_memory_mapping()
1006 	unsigned long start_pfn, end_pfn;  in memblock_find_dma_reserve()  local
1016 	for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, NULL) {  in memblock_find_dma_reserve()
1018 		end_pfn   = min(end_pfn,   MAX_DMA_PFN);  in memblock_find_dma_reserve()
1020 		nr_pages += end_pfn - start_pfn;  in memblock_find_dma_reserve()
1031 		end_pfn   = min_t(unsigned long, PFN_DOWN(end_addr), MAX_DMA_PFN);  in memblock_find_dma_reserve()
1033 		if (start_pfn < end_pfn)  in memblock_find_dma_reserve()
1034 			nr_free_pages += end_pfn - start_pfn;  in memblock_find_dma_reserve()