# Re: \[PATCH\] powerpc/mm: Allow ARCH\_FORCE\_MAX\_ORDER up to 12

- From: Michael Ellerman \<mpe@ellerman.id.au\>
- Date: 2023-10-15 10:07:27 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2023/10/9532335
- Thread: https://ratatoskr.run/linuxppc-dev/2023/08/9531864/t.md

```text
On Thu, 24 Aug 2023 22:28:49 +1000, Michael Ellerman wrote:
> Christophe reported that the change to ARCH_FORCE_MAX_ORDER to limit the
> range to 10 had broken his ability to configure hugepages:
> 
>   # echo 1 > /sys/kernel/mm/hugepages/hugepages-8192kB/nr_hugepages
>   sh: write error: Invalid argument
> 
> Several of the powerpc defconfigs previously set the
> ARCH_FORCE_MAX_ORDER value to 12, via the definition in
> arch/powerpc/configs/fsl-emb-nonhw.config, used by:
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/mm: Allow ARCH_FORCE_MAX_ORDER up to 12
      https://git.kernel.org/powerpc/c/ff9e8f41513669e290f6e1904e1bc75950584491

cheers
```