map_forwmerge     100 uvm/uvm_map.c  struct uvm_cnt uvm_map_call, map_backmerge, map_forwmerge;
map_forwmerge     539 uvm/uvm_map.c  	UVMCNT_INIT(map_forwmerge, UVMCNT_CNT, 0, "# uvm_map() missed forward",
map_forwmerge     878 uvm/uvm_map.c  		UVMCNT_INCR(map_forwmerge);