idr_layer 33 include/linux/idr.h struct idr_layer __rcu *ary[1<<IDR_BITS]; idr_layer 43 include/linux/idr.h struct idr_layer __rcu *hint; /* the last layer allocated from */ idr_layer 44 include/linux/idr.h struct idr_layer __rcu *top; idr_layer 49 include/linux/idr.h struct idr_layer *id_free; idr_layer 117 include/linux/idr.h struct idr_layer *hint = rcu_dereference_raw(idr->hint);