int test_radix_bit(struct radix_tree_root *radix, unsigned long bit);
int clear_radix_bit(struct radix_tree_root *radix, unsigned long bit);
int find_first_radix_bit(struct radix_tree_root *radix, unsigned long *retbits,
- int nr);
+ unsigned long start, int nr);
static inline void init_bit_radix(struct radix_tree_root *radix)
{