Function log2above

dpdk/drivers/net/mlx5/mlx5_utils.h:297–306

* Return logarithm of the nearest power of two above input value. * * @param v * Input value. * * @return * Logarithm of the nearest power of two above input value. */

 *   Logarithm of the nearest power of two above input value.
 */
static inline unsigned int
log2above(unsigned int v)
{
	unsigned int l;
	unsigned int r;

	for (l = 0, r = 0; (v >> 1); ++l, v >>= 1)
		r |= (v & 1);
	return l + r;
}

/********************************* indexed pool *************************/