RFR(s): 8181319: Make os::Linux::sched_getcpu() available even when UseNUMA is false

[Robbin Ehn]

Hi Per,

On 06/01/2017 03:42 AM, David Holmes wrote:
> Hi Per,
> 
> On 31/05/2017 9:59 PM, Per Liden wrote:
>> Hi,
>>
>> The initialization/availability of os::Linux::sched_getcpu() is today guarded by UseNUMA. While NUMA-related code is currently the only user of sched_getcpu(), this 
>> function is useful in many other situations as well. I propose that we initialize os::Linux::sched_getcpu() regardless of whether UseNUMA is enabled or not.
> 
> Looks fine.

+1

/Robbin

> 
> Thanks,
> David
> -----
> 
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8181319
>> Webrev: http://cr.openjdk.java.net/~pliden/8181319/webrev.0/
>> Testing: JPRT, ad-hoc runs using ParallelGC with and without UseNUMA
>>
>> cheers,
>> Per