90 static void __init find_limits(unsigned long *min, unsigned long *max_low,  in find_limits()  argument
93 	*max_low = PFN_DOWN(memblock_get_current_limit());  in find_limits()
137 static void __init zone_sizes_init(unsigned long min, unsigned long max_low,  in zone_sizes_init()  argument
153 	zone_size[0] = max_low - min;  in zone_sizes_init()
155 	zone_size[ZONE_HIGHMEM] = max_high - max_low;  in zone_sizes_init()
167 		if (start < max_low) {  in zone_sizes_init()
168 			unsigned long low_end = min(end, max_low);  in zone_sizes_init()
172 		if (end > max_low) {  in zone_sizes_init()
173 			unsigned long high_start = max(start, max_low);  in zone_sizes_init()
284 	unsigned long min, max_low, max_high;  in bootmem_init()  local
287 	max_low = max_high = 0;  in bootmem_init()
289 	find_limits(&min, &max_low, &max_high);  in bootmem_init()
292 		      (phys_addr_t)max_low << PAGE_SHIFT);  in bootmem_init()
310 	zone_sizes_init(min, max_low, max_high);  in bootmem_init()
318 	max_low_pfn = max_low;  in bootmem_init()
424 	unsigned long max_low = max_low_pfn;  in free_highpages()  local
433 		if (end <= max_low)  in free_highpages()
437 		if (start < max_low)  in free_highpages()
438 			start = max_low;  in free_highpages()