Re: [PATCH -next] mm/mmap_lock: fix warning when CONFIG_TRACING is not defined

[Bixuan Cui]

On 2021/5/31 10:02, Matthew Wilcox wrote:
>> Fix the warning: [-Wunused-function]
>> mm/mmap_lock.c:157:20: warning: ‘get_mm_memcg_path’ defined but not used
>>  static const char *get_mm_memcg_path(struct mm_struct *mm)
>>                     ^~~~~~~~~~~~~~~~~
> That seems like the wrong way to fix the warning.  Why not put it
> under an appropriate ifdef?
It's better than me, I will send a new patch.

Thanks
Bixuan Cui

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