Re: [PATCH] mm/hwpoison: fix build error without CONFIG_MEMORY_FAILURE

[Bagas Sanjaya]

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".

-- 
An old man doll... just what I always wanted! - Clara

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