GC_max_root_size 1261 gc/os_dep.c      size_t GC_max_root_size = 100000;	/* Appr. largest root size.	*/
GC_max_root_size 1280 gc/os_dep.c    	         && req_size < GC_max_root_size/10 && req_size < 500000);
GC_max_root_size 1310 gc/os_dep.c           if (GC_root_size > GC_max_root_size) GC_max_root_size = GC_root_size;