rc_vaddr 427 kernel/events/uprobes.c unsigned long rc_vaddr; rc_vaddr 433 kernel/events/uprobes.c rc_vaddr = offset_to_vaddr(rc_vma, uprobe->ref_ctr_offset); rc_vaddr 434 kernel/events/uprobes.c ret = __update_ref_ctr(mm, rc_vaddr, d);