ext2_clear_bit      8 include/asm-generic/bitops/ext2-non-atomic.h #define ext2_clear_bit(nr,addr)	\
ext2_clear_bit    361 include/asm-m68k/bitops.h #define ext2_clear_bit(nr, addr)		__test_and_clear_bit((nr) ^ 24, (unsigned long *)(addr))