MAXMEM_PFN 268 arch/nds32/kernel/setup.c if (max_pfn - ram_start_pfn <= MAXMEM_PFN) MAXMEM_PFN 271 arch/nds32/kernel/setup.c max_low_pfn = MAXMEM_PFN + ram_start_pfn; MAXMEM_PFN 273 arch/nds32/kernel/setup.c max_pfn = MAXMEM_PFN + ram_start_pfn; MAXMEM_PFN 636 arch/x86/mm/init_32.c max_low_pfn = MAXMEM_PFN; MAXMEM_PFN 639 arch/x86/mm/init_32.c highmem_pages = max_pfn - MAXMEM_PFN; MAXMEM_PFN 641 arch/x86/mm/init_32.c if (highmem_pages + MAXMEM_PFN < max_pfn) MAXMEM_PFN 642 arch/x86/mm/init_32.c max_pfn = MAXMEM_PFN + highmem_pages; MAXMEM_PFN 644 arch/x86/mm/init_32.c if (highmem_pages + MAXMEM_PFN > max_pfn) { MAXMEM_PFN 646 arch/x86/mm/init_32.c pages_to_mb(max_pfn - MAXMEM_PFN), MAXMEM_PFN 657 arch/x86/mm/init_32.c max_pfn = MAXMEM_PFN; MAXMEM_PFN 675 arch/x86/mm/init_32.c if (max_pfn <= MAXMEM_PFN)