*/
void *idr_find(struct idr *idp, int id);
-int idr_pre_get(struct idr *idp, unsigned gfp_mask);
+int idr_pre_get(struct idr *idp, gfp_t gfp_mask);
int idr_get_new(struct idr *idp, void *ptr, int *id);
int idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id);
void idr_remove(struct idr *idp, int id);