RFR: Fix assertion failure of matrix size due to vm allocation granularity on Win x64

[Zhengyu Gu]

Oops.

http://cr.openjdk.java.net/~zgu/shenandoah/matrix_size/webrev.00/

-Zhengyu

On 12/20/2017 01:10 PM, Roman Kennke wrote:
> Am 20.12.2017 um 18:15 schrieb Zhengyu Gu:
>> This patch fixes assertion failure of TestGCThreadGroups on Windows x64.
>>
>>    Internal Error 
>> (c:/Users/zhengyu/workspace/shenandoah-jdk10/src/hotspot/share/memory/virtualspace.cpp:103), 
>> pid=6404, tid=4448
>>    assert((size & (granularity - 1)) == 0) failed: size not aligned to 
>> os::vm_allocation_granularity()
>>
>> On Windows x64, vm_allocation_granularity is 64K, instead of 4K.
>>
>>
>> Webrev: 
>> file:///home/zgu/webrevs/shenandoah/matrix_size/webrev.00/index.html
>>
> 
> You posted a link to a local webrev :-)
>