start2_addr 1923 gc/os_dep.c ptr_t start2_addr = GC_unmap_start(start2, bytes2); start2_addr 1926 gc/os_dep.c ptr_t end_addr = start2_addr; start2_addr 1930 gc/os_dep.c if (0 == start2_addr) end_addr = GC_unmap_end(start1, bytes1 + bytes2);