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From: Greg Ungerer <gerg@linux-m68k.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
	Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-m68k <linux-m68k@lists.linux-m68k.org>
Subject: Re: [PATCH 07/15] m68k: convert to setup_initial_init_mm()
Date: Wed, 2 Jun 2021 23:13:14 +1000	[thread overview]
Message-ID: <8305967a-4e1f-489e-e04a-cde8f8b5693d@linux-m68k.org> (raw)
In-Reply-To: <CAMuHMdVvbA-bJCubhmKaJ_4VbKo+U538x7s34OkZ94kL7z4nrw@mail.gmail.com>


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
> 

  reply	other threads:[~2021-06-02 13:13 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-29 10:54 [PATCH 00/15] init_mm: setup init_mm text/data/brk by new setup_initial_init_mm() helper Kefeng Wang
2021-05-29 10:54 ` [PATCH 01/15] mm: add " Kefeng Wang
2021-05-31  7:45   ` Geert Uytterhoeven
2021-05-31 13:42     ` Kefeng Wang
2021-05-29 10:54 ` [PATCH 02/15] arc: convert to setup_initial_init_mm() Kefeng Wang
2021-05-29 10:54 ` [PATCH 03/15] arm: " Kefeng Wang
2021-05-29 12:18   ` Russell King (Oracle)
2021-05-31  1:10     ` Kefeng Wang
2021-05-29 10:54 ` [PATCH 04/15] arm64: " Kefeng Wang
2021-05-29 10:54 ` [PATCH 05/15] csky: " Kefeng Wang
2021-05-30  0:23   ` Guo Ren
2021-05-29 10:54 ` [PATCH 06/15] h8300: " Kefeng Wang
2021-05-31  7:48   ` Geert Uytterhoeven
2021-05-29 10:54 ` [PATCH 07/15] m68k: " Kefeng Wang
2021-05-31  7:48   ` Geert Uytterhoeven
2021-06-02 13:13     ` Greg Ungerer [this message]
2021-05-29 10:54 ` [PATCH 08/15] nds32: " Kefeng Wang
2021-05-29 10:54 ` [PATCH 09/15] nios2: " Kefeng Wang
2021-05-29 10:54 ` [PATCH 10/15] openrisc: " Kefeng Wang
2021-05-29 13:48   ` Stafford Horne
2021-05-29 10:55 ` [PATCH 11/15] powerpc: " Kefeng Wang
2021-05-29 12:46   ` Santosh Sivaraj
2021-05-29 15:22     ` Christophe Leroy
2021-05-31  1:02       ` Kefeng Wang
2021-05-29 16:16   ` Christophe Leroy
2021-05-31  1:05     ` Kefeng Wang
2021-05-29 10:55 ` [PATCH 12/15] riscv: " Kefeng Wang
2021-05-29 10:55 ` [PATCH 13/15] s390: " Kefeng Wang
2021-05-29 10:55 ` [PATCH 14/15] sh: " Kefeng Wang
2021-05-29 10:55 ` [PATCH 15/15] x86: " Kefeng Wang

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