MAX_NONPAE_PFN 653 arch/x86/mm/init_32.c if (max_pfn > MAX_NONPAE_PFN) MAX_NONPAE_PFN 660 arch/x86/mm/init_32.c if (max_pfn > MAX_NONPAE_PFN) { MAX_NONPAE_PFN 661 arch/x86/mm/init_32.c max_pfn = MAX_NONPAE_PFN;