On 2017年09月18日 12:13, Dave Hansen wrote:
> On 09/17/2017 08:07 PM, kemi wrote:
>>>> + if (vmstat_mode) {
>>>> + if (vmstat_mode == VMSTAT_COARSE_MODE)
>>>> + return;
>>>> + } else if (disable_zone_statistics)
>>>> + return;
>>>> +
>>>> if (z->node != numa_node_id())
>>>> local_stat = NUMA_OTHER;
>>>
>>> A jump label could make this completely out of the way for the case
>>> where every single cycle matters.
>>
>> Could you be more explicit for how to implement it here. Thanks very much.
>
> Take a look at include/linux/jump_label.h.
>
>
Sure, Thanks
>
