MALLOC, mspanSpecial < gcBitsArenas;

# Memory profiling
MPROF < profInsert, profBlock, profMemActive;
profMemActive < profMemFuture;

# Stack allocation and copying
gcBitsArenas,
  netpollInit,
  profBlock,
  profInsert,
  profMemFuture,
  spanSetSpine,
  fin,
  root
# Anything that can grow the stack can acquire STACKGROW.
# (Most higher layers imply STACKGROW, like MALLOC.)

	lockRankGcBitsArenas:    "gcBitsArenas",
	lockRankProfInsert:      "profInsert",
	lockRankProfBlock:       "profBlock",
	lockRankProfMemActive:   "profMemActive",
	lockRankProfMemFuture:   "profMemFuture",
	lockRankGscan:           "gscan",
	lockRankStackpool:       "stackpool",
	lockRankStackLarge:      "stackLarge",
	lockRankHchanLeaf:       "hchanLeaf",
	lockRankWbufSpans:       "wbufSpans",