575 	max_low_pfn = max_pfn;  in lowmem_pfn_init()
580 	if (highmem_pages >= max_pfn) {  in lowmem_pfn_init()
582 			pages_to_mb(highmem_pages), pages_to_mb(max_pfn));  in lowmem_pfn_init()
613 		highmem_pages = max_pfn - MAXMEM_PFN;  in highmem_pfn_init()
615 	if (highmem_pages + MAXMEM_PFN < max_pfn)  in highmem_pfn_init()
616 		max_pfn = MAXMEM_PFN + highmem_pages;  in highmem_pfn_init()
618 	if (highmem_pages + MAXMEM_PFN > max_pfn) {  in highmem_pfn_init()
620 			pages_to_mb(max_pfn - MAXMEM_PFN),  in highmem_pfn_init()
627 	if (max_pfn > MAX_NONPAE_PFN)  in highmem_pfn_init()
631 	max_pfn = MAXMEM_PFN;  in highmem_pfn_init()
634 	if (max_pfn > MAX_NONPAE_PFN) {  in highmem_pfn_init()
635 		max_pfn = MAX_NONPAE_PFN;  in highmem_pfn_init()
649 	if (max_pfn <= MAXMEM_PFN)  in find_low_pfn_range()
659 	highstart_pfn = highend_pfn = max_pfn;  in initmem_init()
660 	if (max_pfn > max_low_pfn)  in initmem_init()