295 static int __meminit save_mr(struct map_range *mr, int nr_range,  in save_mr()  argument
302 		mr[nr_range].start = start_pfn<<PAGE_SHIFT;  in save_mr()
303 		mr[nr_range].end   = end_pfn<<PAGE_SHIFT;  in save_mr()
304 		mr[nr_range].page_size_mask = page_size_mask;  in save_mr()
315 static void __ref adjust_range_page_size_mask(struct map_range *mr,  in adjust_range_page_size_mask()  argument
322 		    !(mr[i].page_size_mask & (1<<PG_LEVEL_2M))) {  in adjust_range_page_size_mask()
323 			unsigned long start = round_down(mr[i].start, PMD_SIZE);  in adjust_range_page_size_mask()
324 			unsigned long end = round_up(mr[i].end, PMD_SIZE);  in adjust_range_page_size_mask()
332 				mr[i].page_size_mask |= 1<<PG_LEVEL_2M;  in adjust_range_page_size_mask()
335 		    !(mr[i].page_size_mask & (1<<PG_LEVEL_1G))) {  in adjust_range_page_size_mask()
336 			unsigned long start = round_down(mr[i].start, PUD_SIZE);  in adjust_range_page_size_mask()
337 			unsigned long end = round_up(mr[i].end, PUD_SIZE);  in adjust_range_page_size_mask()
340 				mr[i].page_size_mask |= 1<<PG_LEVEL_1G;  in adjust_range_page_size_mask()
345 static const char *page_size_string(struct map_range *mr)  in page_size_string()  argument
352 	if (mr->page_size_mask & (1<<PG_LEVEL_1G))  in page_size_string()
361 	    mr->page_size_mask & (1<<PG_LEVEL_2M))  in page_size_string()
364 	if (mr->page_size_mask & (1<<PG_LEVEL_2M))  in page_size_string()
370 static int __meminit split_mem_range(struct map_range *mr, int nr_range,  in split_mem_range()  argument
399 		nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0);  in split_mem_range()
414 		nr_range = save_mr(mr, nr_range, start_pfn, end_pfn,  in split_mem_range()
424 		nr_range = save_mr(mr, nr_range, start_pfn, end_pfn,  in split_mem_range()
434 		nr_range = save_mr(mr, nr_range, start_pfn, end_pfn,  in split_mem_range()
443 	nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0);  in split_mem_range()
446 		adjust_range_page_size_mask(mr, nr_range);  in split_mem_range()
451 		if (mr[i].end != mr[i+1].start ||  in split_mem_range()
452 		    mr[i].page_size_mask != mr[i+1].page_size_mask)  in split_mem_range()
455 		old_start = mr[i].start;  in split_mem_range()
456 		memmove(&mr[i], &mr[i+1],  in split_mem_range()
458 		mr[i--].start = old_start;  in split_mem_range()
464 				mr[i].start, mr[i].end - 1,  in split_mem_range()
465 				page_size_string(&mr[i]));  in split_mem_range()
506 	struct map_range mr[NR_RANGE_MR];  in init_memory_mapping()  local
513 	memset(mr, 0, sizeof(mr));  in init_memory_mapping()
514 	nr_range = split_mem_range(mr, 0, start, end);  in init_memory_mapping()
517 		ret = kernel_physical_mapping_init(mr[i].start, mr[i].end,  in init_memory_mapping()
518 						   mr[i].page_size_mask,  in init_memory_mapping()