Re: [PATCH] mm, memcg: add a helper function to check may oom condition

[Qiang Huang <h.huangqiang-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>]

On 2013/9/10 4:22, David Rientjes wrote:
> On Mon, 9 Sep 2013, Qiang Huang wrote:
> 
>> diff --git a/include/linux/oom.h b/include/linux/oom.h
>> index da60007..d061c63 100644
>> --- a/include/linux/oom.h
>> +++ b/include/linux/oom.h
>> @@ -82,6 +82,11 @@ static inline void oom_killer_enable(void)
>>  	oom_killer_disabled = false;
>>  }
>>
>> +static inline bool may_oom(gfp_t gfp_mask)
> 
> Makes sense, but I think the name should be more specific to gfp flags to 
> make it clear what it's using to determine eligibility, maybe oom_gfp_allowed()? 
> We usually prefix oom killer functions with "oom".

Yes, oom_gfp_allowed() seems better, I'll send a second version,
thanks for you advice, David.

> 
> Nice taste.
> 
>> +{
>> +	return (gfp_mask & __GFP_FS) && !(gfp_mask & __GFP_NORETRY);
>> +}
>> +
>>  extern struct task_struct *find_lock_task_mm(struct task_struct *p);
>>
>>  /* sysctls */
> 
>