FIX_FDT            50 arch/arm64/include/asm/fixmap.h 	FIX_FDT = FIX_FDT_END + FIX_FDT_SIZE / PAGE_SIZE - 1,
FIX_FDT            26 arch/riscv/include/asm/fixmap.h 	FIX_FDT = FIX_FDT_END + FIX_FDT_SIZE / PAGE_SIZE - 1,