RFR: 8231552: ZGC: Refine address space reservation

[Per Liden]

Thanks Erik!

/Per

On 2019-10-23 15:01, erik.osterlund at oracle.com wrote:
> Hi Per,
> 
> Looks good.
> 
> Thanks,
> /Erik
> 
> On 10/23/19 12:38 PM, Per Liden wrote:
>> Another update after Stefan found an incorrect comparison:
>>
>> Full: http://cr.openjdk.java.net/~pliden/8231552/webrev.4
>> Diff: http://cr.openjdk.java.net/~pliden/8231552/webrev.4-diff
>>
>> /Per
>>
>> On 10/22/19 2:01 PM, Per Liden wrote:
>>> Updated webrev after off-line comments from Stefan and Erik.
>>>
>>> Full: http://cr.openjdk.java.net/~pliden/8231552/webrev.3
>>> Diff: http://cr.openjdk.java.net/~pliden/8231552/webrev.3-diff
>>>
>>> /Per
>>>
>>> On 10/16/19 10:41 AM, Per Liden wrote:
>>>> Latest version of this patch, rebased on today's jdk/jdk:
>>>>
>>>> http://cr.openjdk.java.net/~pliden/8231552/webrev.2
>>>>
>>>> /Per
>>>>
>>>> On 10/3/19 11:45 AM, Per Liden wrote:
>>>>> We could be slightly more sophisticated and do a better job 
>>>>> reserving address space in situations where parts of the address 
>>>>> space is already occupied or when the process is running with 
>>>>> address space limitations.
>>>>>
>>>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8231552
>>>>> Webrev: http://cr.openjdk.java.net/~pliden/8231552/webrev.0
>>>>>
>>>>> /Per
>