hbwallocator(3) on Linux
The text 715724f33a55, as Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it. The page shows this text now.
The C++ allocator compatible with the C++ standard library allocator concepts Note: This is EXPERIMENTAL API. The functionality and the header file itself can be changed (including non-backward compatible changes) or removed.