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SubjectRe: [PATCH 07/15] m68k: convert to setup_initial_init_mm()
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On 31/5/21 5:48 pm, Geert Uytterhoeven wrote:
> Hi Kefeng
>
> (CC Greg for m68knommu)
>
> On Sat, May 29, 2021 at 12:46 PM Kefeng Wang <wangkefeng.wang@huawei.com> wrote:
>> Use setup_initial_init_mm() helper to simplify code.
>>
>> Cc: Geert Uytterhoeven <geert@linux-m68k.org>
>> Cc: linux-m68k@lists.linux-m68k.org
>> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
>
> Thanks for your patch!
>
>> --- a/arch/m68k/kernel/setup_mm.c
>> +++ b/arch/m68k/kernel/setup_mm.c
>> @@ -258,10 +258,7 @@ void __init setup_arch(char **cmdline_p)
>> }
>> }
>>
>> - init_mm.start_code = PAGE_OFFSET;
>> - init_mm.end_code = (unsigned long)_etext;
>> - init_mm.end_data = (unsigned long)_edata;
>> - init_mm.brk = (unsigned long)_end;
>> + setup_initial_init_mm((void *)PAGE_OFFSET, _etext, _edata, _end);
>
> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
>
>> --- a/arch/m68k/kernel/setup_no.c
>> +++ b/arch/m68k/kernel/setup_no.c
>> @@ -87,10 +87,7 @@ void __init setup_arch(char **cmdline_p)
>> memory_start = PAGE_ALIGN(_ramstart);
>> memory_end = _ramend;
>>
>> - init_mm.start_code = (unsigned long) &_stext;
>> - init_mm.end_code = (unsigned long) &_etext;
>> - init_mm.end_data = (unsigned long) &_edata;
>> - init_mm.brk = (unsigned long) 0;
>> + setup_initial_init_mm(_stext, _etext, _edata, (void *)0);
>
> Please use NULL instead of (void *)0.

With that in place, no problems I see.

Acked-by: Greg Ungerer <gerg@linux-m68k.org>


> Gr{oetje,eeting}s,
>
> Geert
>

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