# Re: \[PATCH v12 19/22\] selftests/vm: detect write violation on a mapped access-denied-key page

- From: Dave Hansen \<hidden\>
- Date: 2018-03-16 22:31:38 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2018/03/5218934
- Thread: https://ratatoskr.run/linux-kselftest/2018/02/5195852/t.md

```text
On 02/21/2018 05:55 PM, Ram Pai wrote:
> detect write-violation on a page to which access-disabled
> key is associated much after the page is mapped.

Acked-by: Dave Hansen <redacted>
```