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SubjectRe: [PATCH] mm/hwpoison: fix build error without CONFIG_MEMORY_FAILURE
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On 2022/9/27 20:16, Bagas Sanjaya wrote:
> On Tue, Sep 27, 2022 at 06:29:46PM +0800, Hui Tang wrote:
>> Building without CONFIG_MEMORY_FAILURE will fail:
>>
>> mm/memory-failure.o: In function `action_result':
>> memory-failure.c: undefined reference to `memblk_nr_poison_inc'
>> mm/memory-failure.o: In function `page_handle_poison':
>> memory-failure.c: undefined reference to `memblk_nr_poison_inc'
>> mm/memory-failure.o: In function `__get_huge_page_for_hwpoison':
>> memory-failure.c: undefined reference to `memblk_nr_poison_inc'
>> mm/memory-failure.o: In function `unpoison_memory':
>> memory-failure.c: undefined reference to `memblk_nr_poison_sub'
>> mm/memory-failure.o: In function `num_poisoned_pages_inc':
>> memory-failure.c: undefined reference to `memblk_nr_poison_inc'
>>
>> Add CONFIG_MEMORY_FAILURE wrapper for invoking memblk_nr_poison_{inc|sub}.
>>
>
> Better say "Guard memblk_nr_poison_{inc,sub} under CONFIG_MEMORY_FAILURE".

Thanks.

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