UM_SIGNAL          91 arch/arm/mm/alignment.c #define UM_SIGNAL	(1 << 2)
UM_SIGNAL          38 arch/nios2/kernel/misaligned.c #define UM_SIGNAL	0x04
UM_SIGNAL          16 arch/sh/include/asm/alignment.h #define UM_SIGNAL	(1 << 2)