_change_bit       155 arch/arm/include/asm/bitops.h extern void _change_bit(int nr, volatile unsigned long * p);
_change_bit        19 arch/arm/include/asm/sync_bitops.h #define sync_change_bit(nr, p)		_change_bit(nr, p)
_change_bit       152 arch/arm/kernel/armksyms.c EXPORT_SYMBOL(_change_bit);