All symbols starting with `r' in vm

• readbuffers vm/vm_glue.c:76
• recursion_depth vm/lock.h:136
• RELEASE_PAGE vm/vm_fault.c:126
• remqueue vm/queue.h:89
• RETURN vm/vm_map.c:2138
• retval vm/vm_mmap.c:86
• round_page vm/vm_param.h:131
• round_queue vm/queue.h:82