linux-kernel - Re: [PATCH] memblock tests: compiling error

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Message-ID: <a89a98fd-568e-790f-229a-76566bce3637@huawei.com>
Date:   Wed, 27 Jul 2022 09:53:05 +0800
From:   mawupeng <mawupeng1@...wei.com>
To:     <jrdr.linux@...il.com>, <liuxp11@...natelecom.cn>
CC:     <mawupeng1@...wei.com>, <rppt@...nel.org>, <linux-mm@...ck.org>,
        <david@...hat.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] memblock tests: compiling error



On 2022/7/27 9:01, Souptick Joarder wrote:
> On Tue, Jul 26, 2022 at 8:35 AM Liu Xinpeng <liuxp11@...natelecom.cn> wrote:
>>
>> memblock.o: In function `memblock_find_in_range.constprop.9':
>> memblock.c:(.text+0x4651): undefined reference to `pr_warn_ratelimited'
>> memblock.o: In function `memblock_mark_mirror':
>> memblock.c:(.text+0x7171): undefined reference to `mirrored_kernelcore'
>>
> 
> what is the steps to hit this compile error ?

Do make -C tools/testing/memblock can hit this compile error.

> 
>> Fixs: 902c2d91582 ("memblock: Disable mirror feature if kernelcore is not
>> specified")

>> Fixs: 14d9a675fd0 ("mm: Ratelimited mirrored memory related warning")
>>
>> Signed-off-by: Liu Xinpeng <liuxp11@...natelecom.cn>
>> ---
>>  tools/testing/memblock/internal.h | 3 +++
>>  1 file changed, 3 insertions(+)
>>
>> diff --git a/tools/testing/memblock/internal.h b/tools/testing/memblock/internal.h
>> index c2a492c..cf67e6e 100644
>> --- a/tools/testing/memblock/internal.h
>> +++ b/tools/testing/memblock/internal.h
>> @@ -9,6 +9,9 @@
>>  static int memblock_debug = 1;
>>  #endif
>>
>> +#define pr_warn_ratelimited(fmt, ...)    printf(fmt, ##__VA_ARGS__);
>> +
>> +bool mirrored_kernelcore = false;
>>  struct page {};
>>
>>  void memblock_free_pages(struct page *page, unsigned long pfn,
>> --
>> 1.8.3.1
>>
>>