Balbir Singh wrote:
> Balaji Rao wrote:
>> This patch implements trivial statistics for the memory resource controller.
>>
>> Signed-off-by: Balaji Rao <balajirrao@gmail.com>
>> CC: Balbir Singh <balbir@linux.vnet.ibm.com>
>> CC: Dhaval Giani <dhaval@linux.vnet.ibm.com>
>>
>> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
>> index a860765..ca98b21 100644
>> --- a/mm/memcontrol.c
>> +++ b/mm/memcontrol.c
>> @@ -47,6 +47,8 @@ enum mem_cgroup_stat_index {
>>  	 */
>>  	MEM_CGROUP_STAT_CACHE, 	   /* # of pages charged as cache */
>>  	MEM_CGROUP_STAT_RSS,	   /* # of pages charged as rss */
>> +	MEM_CGROUP_STAT_PGPGIN_COUNT,	/* # of pages paged in */
>> +	MEM_CGROUP_STAT_PGPGOUT_COUNT,	/* # of pages paged out */
>>
>>  	MEM_CGROUP_STAT_NSTATS,
>>  };
>> @@ -198,6 +200,13 @@ static void mem_cgroup_charge_statistics(struct mem_cgroup *mem, int flags,
>>  		__mem_cgroup_stat_add_safe(stat, MEM_CGROUP_STAT_CACHE, val);
>>  	else
>>  		__mem_cgroup_stat_add_safe(stat, MEM_CGROUP_STAT_RSS, val);
>> +
>> +	if (charge)
>> +		__mem_cgroup_stat_add_safe(stat,
>> +				MEM_CGROUP_STAT_PGPGIN_COUNT, 1);
>> +	else
>> +		__mem_cgroup_stat_add_safe(stat,
>> +				MEM_CGROUP_STAT_PGPGOUT_COUNT, 1);
>>  }
>>
>>  static struct mem_cgroup_per_zone *
>> @@ -897,6 +906,8 @@ static const struct mem_cgroup_stat_desc {
>>  } mem_cgroup_stat_desc[] = {
>>  	[MEM_CGROUP_STAT_CACHE] = { "cache", PAGE_SIZE, },
>>  	[MEM_CGROUP_STAT_RSS] = { "rss", PAGE_SIZE, },
>> +	[MEM_CGROUP_STAT_PGPGIN_COUNT] = {"pgpgin", 1, },
>> +	[MEM_CGROUP_STAT_PGPGOUT_COUNT] = {"pgpgout", 1, },
>>  };
>>
>>  static int mem_control_stat_show(struct cgroup *cont, struct cftype *cft,
>>
> 
> Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
> 
> Hi, Andrew,
> 
> Could you please include these statistics in -mm.
> 
> Balbir
> 
> 

Andrew,

This should have been addressed to you in the first place. Resending.

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL
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