BIT
#define BIT(a) (1<<((a)-1))
#define BIT(n) (1 <<(n))
#define BIT(x) (1 << (x))
#define BIT(N) (0x01 << N)
#define BIT(n) (1 <<(n))
#define I915_MAP_OVERRIDE BIT(31)
#define BIT(nr) (1UL << (nr))
#define BIT(x) (1 << (x))
#define BIT(n) (1<<(n))
#undef BIT
#define BIT(n) (1<<(n))
#undef BIT
#define BIT(n) (1<<(n))
#undef BIT
#define BIT(flag, ch) if (f & flag) *p++ = ch
#define BIT (8)