>>
>> -static inline unsigned long zone_numa_state(struct zone *zone,
>> +static inline unsigned long zone_numa_state_snapshot(struct zone *zone,
>> enum zone_numa_stat_item item)
>> {
>> long x = atomic_long_read(&zone->vm_numa_stat[item]);
>> + int cpu;
>> +
>> + for_each_online_cpu(cpu)
>> + x += per_cpu_ptr(zone->pageset, cpu)->vm_numa_stat_diff[item];
>>
>> return x;
>> }
>
> This does not appear to be related to the current patch. It either
> should be merged with the previous patch or stand on its own.
>
OK. I can move it to an individual patch if it does not make anyone unhappy.
Since it is not graceful to introduce any functionality change in first patch.
>> diff --git a/mm/vmstat.c b/mm/vmstat.c
>> index 5a7fa30..c7f50ed 100644
>> --- a/mm/vmstat.c
>> +++ b/mm/vmstat.c
>> @@ -30,6 +30,8 @@
>>
>> #include "internal.h"
>>
>> +#define NUMA_STAT_THRESHOLD 32765
>> +
>
> This should be expressed in terms of the type and not a hard-coded value.
>
OK, Thanks. I will follow it.
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