1# Memory Protection Keys (MPK) 2 3You can also [browse this source code online][code] and clone the wasmtime 4repository to run the example locally. 5 6[code]: https://github.com/bytecodealliance/wasmtime/blob/main/examples/mpk.rs 7 8This example demonstrates using the [Memory Protection Keys](https://www.man7.org/linux/man-pages/man7/pkeys.7.html) feature on supported platforms. 9 10## Host Source 11 12<!-- langtabs-start --> 13 14```rust 15{{#include ../examples/mpk.rs}} 16``` 17 18<!-- langtabs-end --> 19