601 	max_low_pfn = max_pfn;  in lowmem_pfn_init()
606 	if (highmem_pages >= max_pfn) {  in lowmem_pfn_init()
608 			pages_to_mb(highmem_pages), pages_to_mb(max_pfn));  in lowmem_pfn_init()
639 		highmem_pages = max_pfn - MAXMEM_PFN;  in highmem_pfn_init()
641 	if (highmem_pages + MAXMEM_PFN < max_pfn)  in highmem_pfn_init()
642 		max_pfn = MAXMEM_PFN + highmem_pages;  in highmem_pfn_init()
644 	if (highmem_pages + MAXMEM_PFN > max_pfn) {  in highmem_pfn_init()
646 			pages_to_mb(max_pfn - MAXMEM_PFN),  in highmem_pfn_init()
653 	if (max_pfn > MAX_NONPAE_PFN)  in highmem_pfn_init()
657 	max_pfn = MAXMEM_PFN;  in highmem_pfn_init()
660 	if (max_pfn > MAX_NONPAE_PFN) {  in highmem_pfn_init()
661 		max_pfn = MAX_NONPAE_PFN;  in highmem_pfn_init()
675 	if (max_pfn <= MAXMEM_PFN)  in find_low_pfn_range()
685 	highstart_pfn = highend_pfn = max_pfn;  in initmem_init()
686 	if (max_pfn > max_low_pfn)  in initmem_init()