All symbols starting with `r' in vm

• readbuffers vm/vm_glue.c:77
• recursion_depth vm/lock.h:137
• RELEASE_PAGE vm/vm_fault.c:128
• remqueue vm/queue.h:90
• RETURN vm/vm_map.c:2163
• round_page vm/vm_param.h:132
• round_queue vm/queue.h:83