# Re: \[PATCH\] mm: only enable sys\_pkey\* when ARCH\_HAS\_PKEYS

- From: Arnd Bergmann \<arnd@arndb.de\>
- Date: 2016-11-08 11:41:57 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2016/11/4869909
- Thread: https://ratatoskr.run/linux-api/2016/11/4865732/t.md

```text
On Tuesday, November 8, 2016 10:30:42 AM CET Heiko Carstens wrote:
> Three architectures (parisc, powerpc, s390) decided to ignore the system
> calls completely, but still have the pkey code linked into the kernel
> image.

Wouldn't it actually make sense to hook this up to the storage keys
in the s390 page tables?

	Arnd
```