IA64_ISR_X_BIT    150 arch/ia64/include/asm/kregs.h #define IA64_ISR_X	(__IA64_UL(1) << IA64_ISR_X_BIT)
IA64_ISR_X_BIT     70 arch/ia64/mm/fault.c 	mask = ((((isr >> IA64_ISR_X_BIT) & 1UL) << VM_EXEC_BIT)