PREF               90 arch/mips/pci/pci-vr41xx.h  #define PREF			0x8U
PREF              108 arch/sh/include/asm/entry-macros.S # define PREF(x)	pref	@x
PREF              110 arch/sh/include/asm/entry-macros.S # define PREF(x)	nop