Re: [PATCH 11/15] powerpc: convert to setup_initial_init_mm()

From: Santosh Sivaraj
Date: Sat May 29 2021 - 09:24:39 EST


Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> writes:

> Use setup_initial_init_mm() helper to simplify code.
>
> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
> Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
> ---
> 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 046fe21b5c3b..c046d99efd18 100644
> --- a/arch/powerpc/kernel/setup-common.c
> +++ b/arch/powerpc/kernel/setup-common.c
> @@ -928,10 +928,7 @@ 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);

This function definition is not visible for those who have subscribed only to
linuxppc-dev mailing list. I had to do a web-search with the ID.

Thanks,
Santosh

>
> mm_iommu_init(&init_mm);
> irqstack_early_init();
> --
> 2.26.2