RFR: 8232602: ZGC: Make ZGranuleMap ZAddress agnostic

[Stefan Karlsson]

Thanks, Erik.

StefanK

On 2019-10-22 11:17, erik.osterlund at oracle.com wrote:
> Hi Stefan,
>
> Looks good.
>
> Thanks,
> /Erik
>
> On 10/21/19 3:09 PM, Stefan Karlsson wrote:
>> Hi all,
>>
>> Please review this patch to make ZGranuleMap ZAddress agnostic.
>>
>> https://cr.openjdk.java.net/~stefank/8232602/webrev.01/
>> https://bugs.openjdk.java.net/browse/JDK-8232602
>>
>> Currently, the ZGranuleMap get and put functions take an address in 
>> the heap as a parameter. The address is then converted into an offset 
>> (into a heap view), before being scaled to a granule.
>>
>> We want to be able to use the ZGranuleMap for physical memory 
>> offsets, and not only heap addresses. Therefore, I propose that we 
>> move the conversions from address to offset out from ZGranuleMap, and 
>> move it to the current users of ZGranuleMap.
>>
>> This patch applies on-top of the patch for JDK-8232601.
>>
>> Thanks,
>> StefanK
>>
>