# Re: \[PATCH v3 resend 11/15\] powerpc: convert to setup\_initial\_init\_mm()

- From: Souptick Joarder \<hidden\>
- Date: 2021-06-08 14:36:58 
- List: linux-mm
- Page: https://ratatoskr.run/linux-mm/2021/06/1406571
- Thread: https://ratatoskr.run/linux-mm/2021/06/1406116/t.md

```text
On Tue, Jun 8, 2021 at 1:56 PM Kefeng Wang [ref] wrote:
>
> Use setup_initial_init_mm() helper to simplify code.
>
> Note klimit is (unsigned long) _end, with new helper,
> will use _end directly.

With this change klimit left with no user in this file and can be
moved to some appropriate header.
But in a separate series.

>
> Cc: Michael Ellerman <mpe@ellerman.id.au>
> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Cc: <redacted>
> Signed-off-by: Kefeng Wang <redacted>
> ---
>  arch/powerpc/kernel/setup-common.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
> index 74a98fff2c2f..96697c6e1e16 100644
> --- a/arch/powerpc/kernel/setup-common.c
> +++ b/arch/powerpc/kernel/setup-common.c
> @@ -927,10 +927,7 @@ void __init setup_arch(char **cmdline_p)
>
>         klp_init_thread_info(&init_task);
>
> -       init_mm.start_code = (unsigned long)_stext;
> -       init_mm.end_code = (unsigned long) _etext;
> -       init_mm.end_data = (unsigned long) _edata;
> -       init_mm.brk = klimit;
> +       setup_initial_init_mm(_stext, _etext, _edata, _end);
>
>         mm_iommu_init(&init_mm);
>         irqstack_early_init();
> --
> 2.26.2
>
>

```