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Subject: Re: [PATCH 04/10] riscv: Fix print_vm_layout build error if NOMMU
To:     Alex Ghiti <alex@ghiti.fr>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        <linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>
CC:     Hulk Robot <hulkci@huawei.com>
References: <20200511022001.179767-1-wangkefeng.wang@huawei.com>
 <20200511022001.179767-5-wangkefeng.wang@huawei.com>
 <1daca195-f63c-2693-068f-6d624aa1b899@ghiti.fr>
From:   Kefeng Wang <wangkefeng.wang@huawei.com>
Message-ID: <669a4a33-42cc-1f5d-a0f5-37ab18a8a371@huawei.com>
Date:   Thu, 14 May 2020 19:42:48 +0800
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On 2020/5/14 18:10, Alex Ghiti wrote:
> Hi,
>
> On 5/10/20 10:19 PM, Kefeng Wang wrote:
>> arch/riscv/mm/init.c: In function ‘print_vm_layout’:
>> arch/riscv/mm/init.c:68:37: error: ‘FIXADDR_START’ undeclared (first 
>> use in this function);
>> arch/riscv/mm/init.c:69:20: error: ‘FIXADDR_TOP’ undeclared
>> arch/riscv/mm/init.c:70:37: error: ‘PCI_IO_START’ undeclared
>> arch/riscv/mm/init.c:71:20: error: ‘PCI_IO_END’ undeclared
>> arch/riscv/mm/init.c:72:38: error: ‘VMEMMAP_START’ undeclared
>> arch/riscv/mm/init.c:73:20: error: ‘VMEMMAP_END’ undeclared (first 
>> use in this function);
>>
>> Reported-by: Hulk Robot <hulkci@huawei.com>
>> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
>> ---
>>   arch/riscv/mm/init.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
>> index dfcaebc3928f..58c39c44b9c9 100644
>> --- a/arch/riscv/mm/init.c
>> +++ b/arch/riscv/mm/init.c
>> @@ -49,7 +49,7 @@ static void setup_zero_page(void)
>>       memset((void *)empty_zero_page, 0, PAGE_SIZE);
>>   }
>>   -#ifdef CONFIG_DEBUG_VM
>> +#if defined(CONFIG_MMU) && defined(DEBUG_VM)
>
>
> Shouldn't it be CONFIG_DEBUG_VM ?
oops, should be CONFIG_DEBUG_VM, will send v2, thanks.
>
>
>>   static inline void print_mlk(char *name, unsigned long b, unsigned 
>> long t)
>>   {
>>       pr_notice("%12s : 0x%08lx - 0x%08lx   (%4ld kB)\n", name, b, t,
>
>
> Alex
>
>
> .
>