951 	unsigned long max_low_pfn;  in find_max_low_pfn()  local
953 	max_low_pfn = max_pfn;  in find_max_low_pfn()
954 	if (max_low_pfn > MAXMEM_PFN) {  in find_max_low_pfn()
963 		max_low_pfn = MAXMEM_PFN;  in find_max_low_pfn()
990 			if (max_low_pfn-highmem_pages < 64*1024*1024/PAGE_SIZE){  in find_max_low_pfn()
994 			max_low_pfn -= highmem_pages;  in find_max_low_pfn()
1002 	return max_low_pfn;  in find_max_low_pfn()
1008 static void __init register_bootmem_low_pages(unsigned long max_low_pfn)  in register_bootmem_low_pages()  argument
1023 		if (curr_pfn >= max_low_pfn)  in register_bootmem_low_pages()
1030 		if (last_pfn > max_low_pfn)  in register_bootmem_low_pages()
1031 			last_pfn = max_low_pfn;  in register_bootmem_low_pages()
1047 	unsigned long bootmap_size, start_pfn, max_low_pfn;  in setup_memory()  local
1057 	max_low_pfn = find_max_low_pfn();  in setup_memory()
1061 	if (max_pfn > max_low_pfn) {  in setup_memory()
1062 		highstart_pfn = max_low_pfn;  in setup_memory()
1068 			pages_to_mb(max_low_pfn));  in setup_memory()
1072 	bootmap_size = init_bootmem(start_pfn, max_low_pfn);  in setup_memory()
1074 	register_bootmem_low_pages(max_low_pfn);  in setup_memory()
1113 		if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) {  in setup_memory()
1123 			    max_low_pfn << PAGE_SHIFT);  in setup_memory()
1129 	return max_low_pfn;  in setup_memory()
1136 static void __init register_memory(unsigned long max_low_pfn)  in register_memory()  argument
1173 	low_mem_size = ((max_low_pfn << PAGE_SHIFT) + 0xfffff) & ~0xfffff;  in register_memory()
1180 	unsigned long max_low_pfn;  in setup_arch()  local
1224 	max_low_pfn = setup_memory();  in setup_arch()
1251 	register_memory(max_low_pfn);  in setup_arch()