ram_end_pfn 50 arch/openrisc/kernel/setup.c unsigned long ram_end_pfn; ram_end_pfn 69 arch/openrisc/kernel/setup.c ram_end_pfn = PFN_DOWN(memblock_end_of_DRAM()); ram_end_pfn 73 arch/openrisc/kernel/setup.c max_low_pfn = ram_end_pfn; ram_end_pfn 74 arch/openrisc/kernel/setup.c max_pfn = ram_end_pfn;