HIGH_MEMORY 1359 arch/x86/kernel/e820.c e820_add_region(HIGH_MEMORY, mem_size << 10, E820_RAM); HIGH_MEMORY 131 arch/x86/kernel/visws_quirks.c e820_add_region(HIGH_MEMORY, mem_size - sgivwfb_mem_size - HIGH_MEMORY, E820_RAM);