endchain         1785 uvm/uvm_map.c  	struct vm_map_entry *chain, *endchain, *entry, *orig_entry, *newentry;
endchain         1826 uvm/uvm_map.c  	chain = endchain = NULL;
endchain         1913 uvm/uvm_map.c  		newentry->prev = endchain;
endchain         1947 uvm/uvm_map.c  		if (endchain == NULL) {
endchain         1948 uvm/uvm_map.c  			chain = endchain = newentry;
endchain         1950 uvm/uvm_map.c  			endchain->next = newentry;
endchain         1951 uvm/uvm_map.c  			endchain = newentry;
endchain         1970 uvm/uvm_map.c  		chain->prev = endchain;